22492089520 has 80 divisors (see below), whose sum is σ = 52843082112. Its totient is φ = 8902656000.

The previous prime is 22492089517. The next prime is 22492089533. The reversal of 22492089520 is 2598029422.

It is a tau number, because it is divible by the number of its divisors (80).

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, 6787384 + ... + 6790696.

Almost surely, 2^22492089520 is an apocalyptic number.

22492089520 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 22492089520, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (26421541056).

22492089520 is an abundant number, since it is smaller than the sum of its proper divisors (30350992592).

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

22492089520 is a wasteful number, since it uses less digits than its factorization.

22492089520 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 4190 (or 4184 counting only the distinct ones).

The product of its (nonzero) digits is 207360, while the sum is 43.

The spelling of 22492089520 in words is "twenty-two billion, four hundred ninety-two million, eighty-nine thousand, five hundred twenty".