22977090136 has 128 divisors (see below), whose sum is σ = 59711016960. Its totient is φ = 7996838400.

The previous prime is 22977090131. The next prime is 22977090161. The reversal of 22977090136 is 63109077922.

It is a super-2 number, since 2×22977090136² (a number of 22 digits) contains 22 as substring.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (22977090131) by changing a digit.

It is a polite number, since it can be written in 31 ways as a sum of consecutive naturals, for example, 201970 + ... + 294526.

It is an arithmetic number, because the mean of its divisors is an integer number (466492320).

Almost surely, 2^22977090136 is an apocalyptic number.

22977090136 is a gapful number since it is divisible by the number (26) 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 22977090136, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (29855508480).

22977090136 is an abundant number, since it is smaller than the sum of its proper divisors (36733926824).

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

22977090136 is a wasteful number, since it uses less digits than its factorization.

22977090136 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 92625 (or 92621 counting only the distinct ones).

The product of its (nonzero) digits is 285768, while the sum is 46.

The spelling of 22977090136 in words is "twenty-two billion, nine hundred seventy-seven million, ninety thousand, one hundred thirty-six".