22290727400 has 24 divisors (see below), whose sum is σ = 51825941670. Its totient is φ = 8916290880.

The previous prime is 22290727391. The next prime is 22290727447. The reversal of 22290727400 is 472709222.

It can be written as a sum of positive squares in 3 ways, for example, as 18484577764 + 3806149636 = 135958^2 + 61694^2 .

It is a super-2 number, since 2×22290727400² (a number of 21 digits) contains 22 as substring.

It is an unprimeable number.

It is a pernicious number, because its binary representation contains a prime number (13) of ones.

It is a polite number, since it can be written in 5 ways as a sum of consecutive naturals, for example, 55726619 + ... + 55727018.

Almost surely, 2^22290727400 is an apocalyptic number.

22290727400 is a gapful number since it is divisible by the number (20) formed by its first and last digit.

It is an amenable number.

22290727400 is an abundant number, since it is smaller than the sum of its proper divisors (29535214270).

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

22290727400 is a wasteful number, since it uses less digits than its factorization.

22290727400 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 111453653 (or 111453644 counting only the distinct ones).

The product of its (nonzero) digits is 28224, while the sum is 35.

The spelling of 22290727400 in words is "twenty-two billion, two hundred ninety million, seven hundred twenty-seven thousand, four hundred".