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22210202110122 = 232131737891695493
BaseRepresentation
bin1010000110011001101110…
…01101010000100010101010
32220122021102011122221012200
411003030313031100202222
510402342443220010442
6115123120451521030
74451430341002155
oct503146715204252
986567364587180
1022210202110122
117093326088394
1225a859b8b9176
13c5154a69a310
1456ad9db22c9c
15287b11cba34c
hex1433373508aa

22210202110122 has 192 divisors, whose sum is σ = 56988537409440. Its totient is φ = 6187759091712.

The previous prime is 22210202110093. The next prime is 22210202110123. The reversal of 22210202110122 is 22101120201222.

It is a happy number.

22210202110122 is a `hidden beast` number, since 22 + 210 + 202 + 110 + 122 = 666.

It can be written as a sum of positive squares in 16 ways, for example, as 11127554968401 + 11082647141721 = 3335799^2 + 3329061^2 .

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 = 22210202110095 and 22210202110104.

It is not an unprimeable number, because it can be changed into a prime (22210202110123) by changing a digit.

It is a polite number, since it can be written in 95 ways as a sum of consecutive naturals, for example, 12251808 + ... + 13947300.

Almost surely, 222210202110122 is an apocalyptic number.

It is a practical number, because each smaller number is the sum of distinct divisors of 22210202110122, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (28494268704720).

22210202110122 is an abundant number, since it is smaller than the sum of its proper divisors (34778335299318).

It is a pseudoperfect number, because it is the sum of a subset of its proper divisors.

22210202110122 is a wasteful number, since it uses less digits than its factorization.

22210202110122 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 1695657 (or 1695654 counting only the distinct ones).

The product of its (nonzero) digits is 128, while the sum is 18.

Adding to 22210202110122 its reverse (22101120201222), we get a palindrome (44311322311344).

The spelling of 22210202110122 in words is "twenty-two trillion, two hundred ten billion, two hundred two million, one hundred ten thousand, one hundred twenty-two".