22143022504 has 32 divisors (see below), whose sum is σ = 41619047400. Its totient is φ = 11044648960.

The previous prime is 22143022487. The next prime is 22143022537. The reversal of 22143022504 is 40522034122.

It can be written as a sum of positive squares in 4 ways, for example, as 21641352100 + 501670404 = 147110^2 + 22398^2 .

It is a super-2 number, since 2×22143022504² (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 (19) of ones.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 7641984 + ... + 7644880.

Almost surely, 2^22143022504 is an apocalyptic number.

It is an amenable number.

22143022504 is a deficient number, since it is larger than the sum of its proper divisors (19476024896).

22143022504 is a wasteful number, since it uses less digits than its factorization.

22143022504 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 4893 (or 4889 counting only the distinct ones).

The product of its (nonzero) digits is 3840, while the sum is 25.

Adding to 22143022504 its reverse (40522034122), we get a palindrome (62665056626).

The spelling of 22143022504 in words is "twenty-two billion, one hundred forty-three million, twenty-two thousand, five hundred four".