22040204 has 6 divisors (see below), whose sum is σ = 38570364. Its totient is φ = 11020100.

The previous prime is 22040191. The next prime is 22040219. The reversal of 22040204 is 40204022.

It is a happy number.

It is an unprimeable number.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 2755022 + ... + 2755029.

It is an arithmetic number, because the mean of its divisors is an integer number (6428394).

Almost surely, 2^22040204 is an apocalyptic number.

It is an amenable number.

22040204 is a deficient number, since it is larger than the sum of its proper divisors (16530160).

22040204 is a wasteful number, since it uses less digits than its factorization.

22040204 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 5510055 (or 5510053 counting only the distinct ones).

The product of its (nonzero) digits is 128, while the sum is 14.

The square root of 22040204 is about 4694.6995644024. The cubic root of 22040204 is about 280.3745158473.

Adding to 22040204 its reverse (40204022), we get a palindrome (62244226).

The spelling of 22040204 in words is "twenty-two million, forty thousand, two hundred four".