22448562388 has 48 divisors (see below), whose sum is σ = 45053366400. Its totient is φ = 9587404800.

The previous prime is 22448562329. The next prime is 22448562397. The reversal of 22448562388 is 88326584422.

It is a Smith number, since the sum of its digits (52) coincides with the sum of the digits of its prime factors.

It is a congruent number.

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, 14020788 + ... + 14022388.

It is an arithmetic number, because the mean of its divisors is an integer number (938611800).

Almost surely, 2^22448562388 is an apocalyptic number.

22448562388 is a gapful number since it is divisible by the number (28) formed by its first and last digit.

It is an amenable number.

22448562388 is an abundant number, since it is smaller than the sum of its proper divisors (22604804012).

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

22448562388 is a wasteful number, since it uses less digits than its factorization.

22448562388 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 3040 (or 3038 counting only the distinct ones).

The product of its digits is 5898240, while the sum is 52.

The spelling of 22448562388 in words is "twenty-two billion, four hundred forty-eight million, five hundred sixty-two thousand, three hundred eighty-eight".