922123634172 has 192 divisors, whose sum is σ = 2514754335744. Its totient is φ = 260445081600.

The previous prime is 922123634167. The next prime is 922123634219. The reversal of 922123634172 is 271436321229.

It is a super-2 number, since 2×922123634172² (a number of 25 digits) contains 22 as substring.

It is a congruent number.

It is an unprimeable number.

It is a polite number, since it can be written in 63 ways as a sum of consecutive naturals, for example, 17920393 + ... + 17971775.

It is an arithmetic number, because the mean of its divisors is an integer number (13097678832).

Almost surely, 2^922123634172 is an apocalyptic number.

It is an amenable number.

It is a practical number, because each smaller number is the sum of distinct divisors of 922123634172, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (1257377167872).

922123634172 is an abundant number, since it is smaller than the sum of its proper divisors (1592630701572).

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

922123634172 is a wasteful number, since it uses less digits than its factorization.

922123634172 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 51588 (or 51586 counting only the distinct ones).

The product of its digits is 217728, while the sum is 42.

The spelling of 922123634172 in words is "nine hundred twenty-two billion, one hundred twenty-three million, six hundred thirty-four thousand, one hundred seventy-two".