22494869790 has 32 divisors (see below), whose sum is σ = 54032136480. Its totient is φ = 5993693184.

The previous prime is 22494869759. The next prime is 22494869809. The reversal of 22494869790 is 9796849422.

It is a congruent number.

It is an unprimeable number.

It is a pernicious number, because its binary representation contains a prime number (19) of ones.

It is a polite number, since it can be written in 15 ways as a sum of consecutive naturals, for example, 271555 + ... + 344574.

It is an arithmetic number, because the mean of its divisors is an integer number (1688504265).

Almost surely, 2^22494869790 is an apocalyptic number.

22494869790 is an abundant number, since it is smaller than the sum of its proper divisors (31537266690).

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

22494869790 is a wasteful number, since it uses less digits than its factorization.

22494869790 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 617356.

The product of its (nonzero) digits is 15676416, while the sum is 60.

The spelling of 22494869790 in words is "twenty-two billion, four hundred ninety-four million, eight hundred sixty-nine thousand, seven hundred ninety".