22490297760 has 96 divisors (see below), whose sum is σ = 80965084032. Its totient is φ = 5140638720.

The previous prime is 22490297749. The next prime is 22490297821. The reversal of 22490297760 is 6779209422.

It is a tau number, because it is divible by the number of its divisors (96).

It is a super-2 number, since 2×22490297760² (a number of 22 digits) contains 22 as substring.

It is a Harshad number since it is a multiple of its sum of digits (48).

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, 3343411 + ... + 3350130.

It is an arithmetic number, because the mean of its divisors is an integer number (843386292).

Almost surely, 2^22490297760 is an apocalyptic number.

22490297760 is a gapful number since it is divisible by the number (20) formed by its first and last digit.

It is an amenable number.

22490297760 is an abundant number, since it is smaller than the sum of its proper divisors (58474786272).

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

22490297760 is a wasteful number, since it uses less digits than its factorization.

22490297760 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 6693566 (or 6693558 counting only the distinct ones).

The product of its (nonzero) digits is 762048, while the sum is 48.

The spelling of 22490297760 in words is "twenty-two billion, four hundred ninety million, two hundred ninety-seven thousand, seven hundred sixty".