22153153544 has 8 divisors (see below), whose sum is σ = 41537162910. Its totient is φ = 11076576768.

The previous prime is 22153153513. The next prime is 22153153601. The reversal of 22153153544 is 44535135122.

It can be written as a sum of positive squares in only one way, i.e., 16473722500 + 5679431044 = 128350^2 + 75362^2 .

It is a tau number, because it is divible by the number of its divisors (8).

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 as a sum of consecutive naturals, namely, 1384572089 + ... + 1384572104.

Almost surely, 2^22153153544 is an apocalyptic number.

It is an amenable number.

22153153544 is a deficient number, since it is larger than the sum of its proper divisors (19384009366).

22153153544 is a wasteful number, since it uses less digits than its factorization.

22153153544 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 2769144199 (or 2769144195 counting only the distinct ones).

The product of its digits is 72000, while the sum is 35.

Adding to 22153153544 its reverse (44535135122), we get a palindrome (66688288666).

The spelling of 22153153544 in words is "twenty-two billion, one hundred fifty-three million, one hundred fifty-three thousand, five hundred forty-four".