22887222420 has 24 divisors (see below), whose sum is σ = 64084222944. Its totient is φ = 6103259296.

The previous prime is 22887222367. The next prime is 22887222433. The reversal of 22887222420 is 2422278822.

It is a congruent number.

It is an unprimeable number.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 190726794 + ... + 190726913.

It is an arithmetic number, because the mean of its divisors is an integer number (2670175956).

Almost surely, 2^22887222420 is an apocalyptic number.

22887222420 is a gapful number since it is divisible by the number (20) formed by its first and last digit.

It is an amenable number.

22887222420 is an abundant number, since it is smaller than the sum of its proper divisors (41197000524).

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

22887222420 is a wasteful number, since it uses less digits than its factorization.

22887222420 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 381453719 (or 381453717 counting only the distinct ones).

The product of its (nonzero) digits is 114688, while the sum is 39.

The spelling of 22887222420 in words is "twenty-two billion, eight hundred eighty-seven million, two hundred twenty-two thousand, four hundred twenty".