22140204004 has 24 divisors (see below), whose sum is σ = 40444881848. Its totient is φ = 10594333440.

The previous prime is 22140203971. The next prime is 22140204059. The reversal of 22140204004 is 40040204122.

It can be written as a sum of positive squares in 4 ways, for example, as 2652044004 + 19488160000 = 51498^2 + 139600^2 .

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, 1217169 + ... + 1235224.

Almost surely, 2^22140204004 is an apocalyptic number.

It is an amenable number.

22140204004 is a deficient number, since it is larger than the sum of its proper divisors (18304677844).

22140204004 is a wasteful number, since it uses less digits than its factorization.

22140204004 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 2452495 (or 2452493 counting only the distinct ones).

The product of its (nonzero) digits is 512, while the sum is 19.

Adding to 22140204004 its reverse (40040204122), we get a palindrome (62180408126).

The spelling of 22140204004 in words is "twenty-two billion, one hundred forty million, two hundred four thousand, four".