22979279136000 has 576 divisors, whose sum is σ = 87646785408000. Its totient is φ = 5277533184000.

The previous prime is 22979279135957. The next prime is 22979279136001. The reversal of 22979279136000 is 63197297922.

It is a super-2 number, since 2×22979279136000² (a number of 28 digits) contains 22 as substring.

It is a Harshad number since it is a multiple of its sum of digits (57).

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (22979279136001) by changing a digit.

It is a polite number, since it can be written in 63 ways as a sum of consecutive naturals, for example, 19491351 + ... + 20636649.

It is an arithmetic number, because the mean of its divisors is an integer number (152164558000).

Almost surely, 2^{22979279136000} is an apocalyptic number.

22979279136000 is a gapful number since it is divisible by the number (20) 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 22979279136000, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (43823392704000).

22979279136000 is an abundant number, since it is smaller than the sum of its proper divisors (64667506272000).

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

22979279136000 is a wasteful number, since it uses less digits than its factorization.

22979279136000 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 1145363 (or 1145339 counting only the distinct ones).

The product of its (nonzero) digits is 5143824, while the sum is 57.

The spelling of 22979279136000 in words is "twenty-two trillion, nine hundred seventy-nine billion, two hundred seventy-nine million, one hundred thirty-six thousand".