22597140480 has 272 divisors, whose sum is σ = 73282320384. Its totient is φ = 5945425920.

The previous prime is 22597140421. The next prime is 22597140493. The reversal of 22597140480 is 8404179522.

It is a congruent number.

It is an unprimeable number.

It is a polite number, since it can be written in 15 ways as a sum of consecutive naturals, for example, 124845990 + ... + 124846170.

Almost surely, 2^22597140480 is an apocalyptic number.

22597140480 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 22597140480, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (36641160192).

22597140480 is an abundant number, since it is smaller than the sum of its proper divisors (50685179904).

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

22597140480 is an equidigital number, since it uses as much as digits as its factorization.

22597140480 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 348 (or 318 counting only the distinct ones).

The product of its (nonzero) digits is 161280, while the sum is 42.

The spelling of 22597140480 in words is "twenty-two billion, five hundred ninety-seven million, one hundred forty thousand, four hundred eighty".