22027099400 has 24 divisors (see below), whose sum is σ = 51213006570. Its totient is φ = 8810839680.

The previous prime is 22027099387. The next prime is 22027099421. The reversal of 22027099400 is 499072022.

It is a happy number.

It can be written as a sum of positive squares in 3 ways, for example, as 9213312196 + 12813787204 = 95986^2 + 113198^2 .

It is an unprimeable number.

It is a polite number, since it can be written in 5 ways as a sum of consecutive naturals, for example, 55067549 + ... + 55067948.

Almost surely, 2^22027099400 is an apocalyptic number.

22027099400 is a gapful number since it is divisible by the number (20) formed by its first and last digit.

It is an amenable number.

22027099400 is an abundant number, since it is smaller than the sum of its proper divisors (29185907170).

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

22027099400 is a wasteful number, since it uses less digits than its factorization.

22027099400 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 110135513 (or 110135504 counting only the distinct ones).

The product of its (nonzero) digits is 18144, while the sum is 35.

The spelling of 22027099400 in words is "twenty-two billion, twenty-seven million, ninety-nine thousand, four hundred".