22446087898 has 16 divisors (see below), whose sum is σ = 36579946536. Its totient is φ = 10268052480.

The previous prime is 22446087883. The next prime is 22446087901. The reversal of 22446087898 is 89878064422.

It can be written as a sum of positive squares in 4 ways, for example, as 16771027009 + 5675060889 = 129503^2 + 75333^2 .

It is an unprimeable number.

It is a pernicious number, because its binary representation contains a prime number (19) of ones.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 3817023 + ... + 3822898.

Almost surely, 2^22446087898 is an apocalyptic number.

22446087898 is a deficient number, since it is larger than the sum of its proper divisors (14133858638).

22446087898 is a wasteful number, since it uses less digits than its factorization.

22446087898 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 7640049.

The product of its (nonzero) digits is 12386304, while the sum is 58.

The spelling of 22446087898 in words is "twenty-two billion, four hundred forty-six million, eighty-seven thousand, eight hundred ninety-eight".