22117458360492 has 576 divisors, whose sum is σ = 65607891148800. Its totient is φ = 6219187752960.

The previous prime is 22117458360451. The next prime is 22117458360509. The reversal of 22117458360492 is 29406385471122.

It is a happy number.

22117458360492 is a `hidden beast` number, since 2 + 2 + 1 + 1 + 74 + 5 + 83 + 6 + 0 + 492 = 666.

It is an unprimeable number.

It is a polite number, since it can be written in 191 ways as a sum of consecutive naturals, for example, 8400096808 + ... + 8400099440.

It is an arithmetic number, because the mean of its divisors is an integer number (113902588800).

It is a 1-persistent number, because it is pandigital, but 2⋅22117458360492 = 44234916720984 is not.

Almost surely, 2^{22117458360492} is an apocalyptic number.

22117458360492 is a gapful number since it is divisible by the number (22) formed by its first and last digit.

It is an amenable number.

It is a practical number, because each smaller number is the sum of distinct divisors of 22117458360492, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (32803945574400).

22117458360492 is an abundant number, since it is smaller than the sum of its proper divisors (43490432788308).

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

22117458360492 is a wasteful number, since it uses less digits than its factorization.

22117458360492 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 3006 (or 3001 counting only the distinct ones).

The product of its (nonzero) digits is 5806080, while the sum is 54.

The spelling of 22117458360492 in words is "twenty-two trillion, one hundred seventeen billion, four hundred fifty-eight million, three hundred sixty thousand, four hundred ninety-two".