22989398554 has 16 divisors (see below), whose sum is σ = 36627772968. Its totient is φ = 10784407552.

The previous prime is 22989398539. The next prime is 22989398563. The reversal of 22989398554 is 45589398922.

It can be written as a sum of positive squares in 4 ways, for example, as 20668375225 + 2321023329 = 143765^2 + 48177^2 .

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, 1055719 + ... + 1077274.

Almost surely, 2^22989398554 is an apocalyptic number.

22989398554 is a deficient number, since it is larger than the sum of its proper divisors (13638374414).

22989398554 is a wasteful number, since it uses less digits than its factorization.

22989398554 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 2133329.

The product of its digits is 55987200, while the sum is 64.

The spelling of 22989398554 in words is "twenty-two billion, nine hundred eighty-nine million, three hundred ninety-eight thousand, five hundred fifty-four".