Base | Representation |
---|---|
bin | 10100101011111100… |
… | …110111110100001111 |
3 | 2010100000012101101202 |
4 | 110223330313310033 |
5 | 330442311322111 |
6 | 14112032500115 |
7 | 1414303463330 |
oct | 245374676417 |
9 | 63300171352 |
10 | 22212214031 |
11 | 9469241187 |
12 | 437a9aa63b |
13 | 212cac4817 |
14 | 110a022287 |
15 | 8a009bb3b |
hex | 52bf37d0f |
22212214031 has 16 divisors (see below), whose sum is σ = 25992873984. Its totient is φ = 18584010144.
The previous prime is 22212214019. The next prime is 22212214049. The reversal of 22212214031 is 13041221222.
It is not a de Polignac number, because 22212214031 - 234 = 5032344847 is a prime.
It is a super-2 number, since 2×222122140312 (a number of 21 digits) contains 22 as substring.
It is a junction number, because it is equal to n+sod(n) for n = 22212213994 and 22212214012.
It is a congruent number.
It is not an unprimeable number, because it can be changed into a prime (22212214091) by changing a digit.
It is a polite number, since it can be written in 15 ways as a sum of consecutive naturals, for example, 448121 + ... + 495213.
It is an arithmetic number, because the mean of its divisors is an integer number (1624554624).
Almost surely, 222212214031 is an apocalyptic number.
22212214031 is a deficient number, since it is larger than the sum of its proper divisors (3780659953).
22212214031 is a wasteful number, since it uses less digits than its factorization.
22212214031 is an evil number, because the sum of its binary digits is even.
The sum of its prime factors is 48710.
The product of its (nonzero) digits is 384, while the sum is 20.
Adding to 22212214031 its reverse (13041221222), we get a palindrome (35253435253).
The spelling of 22212214031 in words is "twenty-two billion, two hundred twelve million, two hundred fourteen thousand, thirty-one".
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