| Base | Representation |
|---|---|
| bin | 110010011111111110110000… |
| … | …111010101010100001110110 |
| 3 | 1002010101112222102000002021000 |
| 4 | 302133332300322222201312 |
| 5 | 213102341321113341042 |
| 6 | 2104211201435304130 |
| 7 | 64532124410042130 |
| oct | 6237766072524166 |
| 9 | 1063345872002230 |
| 10 | 222100022012022 |
| 11 | 6484a0aa321220 |
| 12 | 20ab057bbab046 |
| 13 | 96c0c3305287b |
| 14 | 3cbb9ac682050 |
| 15 | 1aa24e803974c |
| hex | c9ffb0eaa876 |
222100022012022 has 256 divisors, whose sum is σ = 648076959129600. Its totient is φ = 54622686960000.
The previous prime is 222100022012017. The next prime is 222100022012083. The reversal of 222100022012022 is 220210220001222.
222100022012022 is a `hidden beast` number, since 222 + 100 + 0 + 220 + 120 + 2 + 2 = 666.
It is a super-2 number, since 2×2221000220120222 (a number of 29 digits) contains 22 as substring.
It is a Harshad number since it is a multiple of its sum of digits (18).
It is a junction number, because it is equal to n+sod(n) for n = 222100022011986 and 222100022012004.
It is a congruent number.
It is an unprimeable number.
It is a polite number, since it can be written in 127 ways as a sum of consecutive naturals, for example, 146267397 + ... + 147778047.
It is an arithmetic number, because the mean of its divisors is an integer number (2531550621600).
Almost surely, 2222100022012022 is an apocalyptic number.
222100022012022 is a gapful number since it is divisible by the number (22) formed by its first and last digit.
It is a practical number, because each smaller number is the sum of distinct divisors of 222100022012022, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (324038479564800).
222100022012022 is an abundant number, since it is smaller than the sum of its proper divisors (425976937117578).
It is a pseudoperfect number, because it is the sum of a subset of its proper divisors.
222100022012022 is a wasteful number, since it uses less digits than its factorization.
222100022012022 is an evil number, because the sum of its binary digits is even.
The sum of its prime factors is 1512560 (or 1512554 counting only the distinct ones).
The product of its (nonzero) digits is 256, while the sum is 18.
Adding to 222100022012022 its reverse (220210220001222), we get a palindrome (442310242013244).
The spelling of 222100022012022 in words is "two hundred twenty-two trillion, one hundred billion, twenty-two million, twelve thousand, twenty-two".
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