22585249902 has 8 divisors (see below), whose sum is σ = 45170499816. Its totient is φ = 7528416632.

The previous prime is 22585249891. The next prime is 22585249903. The reversal of 22585249902 is 20994258522.

It is a sphenic number, since it is the product of 3 distinct primes.

22585249902 is an admirable number.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (22585249903) 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, 1882104153 + ... + 1882104164.

It is an arithmetic number, because the mean of its divisors is an integer number (5646312477).

Almost surely, 2^22585249902 is an apocalyptic number.

22585249902 is a primitive abundant number, since it is smaller than the sum of its proper divisors, none of which is abundant.

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

22585249902 is a wasteful number, since it uses less digits than its factorization.

22585249902 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 3764208322.

The product of its (nonzero) digits is 1036800, while the sum is 48.

The spelling of 22585249902 in words is "twenty-two billion, five hundred eighty-five million, two hundred forty-nine thousand, nine hundred two".