22918749528 has 16 divisors (see below), whose sum is σ = 57296873880. Its totient is φ = 7639583168.

The previous prime is 22918749521. The next prime is 22918749541. The reversal of 22918749528 is 82594781922.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (22918749521) by changing a digit.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 477473925 + ... + 477473972.

Almost surely, 2^22918749528 is an apocalyptic number.

It is an amenable number.

22918749528 is an abundant number, since it is smaller than the sum of its proper divisors (34378124352).

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

22918749528 is a wasteful number, since it uses less digits than its factorization.

22918749528 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 954947906 (or 954947902 counting only the distinct ones).

The product of its digits is 5806080, while the sum is 57.

The spelling of 22918749528 in words is "twenty-two billion, nine hundred eighteen million, seven hundred forty-nine thousand, five hundred twenty-eight".