22045004 has 6 divisors (see below), whose sum is σ = 38578764. Its totient is φ = 11022500.

The previous prime is 22044991. The next prime is 22045087. The reversal of 22045004 is 40054022.

It is an unprimeable number.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 2755622 + ... + 2755629.

It is an arithmetic number, because the mean of its divisors is an integer number (6429794).

Almost surely, 2^22045004 is an apocalyptic number.

It is an amenable number.

22045004 is a deficient number, since it is larger than the sum of its proper divisors (16533760).

22045004 is a wasteful number, since it uses less digits than its factorization.

22045004 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 5511255 (or 5511253 counting only the distinct ones).

The product of its (nonzero) digits is 320, while the sum is 17.

The square root of 22045004 is about 4695.2107513934. The cubic root of 22045004 is about 280.3948680484.

Adding to 22045004 its reverse (40054022), we get a palindrome (62099026).

The spelling of 22045004 in words is "twenty-two million, forty-five thousand, four".