22653004 has 12 divisors (see below), whose sum is σ = 43246728. Its totient is φ = 10296800.

The previous prime is 22652957. The next prime is 22653017. The reversal of 22653004 is 40035622.

It is a happy number.

It is a Harshad number since it is a multiple of its sum of digits (22).

It is an unprimeable number.

It is a pernicious number, because its binary representation contains a prime number (11) of ones.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 257377 + ... + 257464.

It is an arithmetic number, because the mean of its divisors is an integer number (3603894).

Almost surely, 2^22653004 is an apocalyptic number.

It is an amenable number.

22653004 is a deficient number, since it is larger than the sum of its proper divisors (20593724).

22653004 is a wasteful number, since it uses less digits than its factorization.

22653004 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 514856 (or 514854 counting only the distinct ones).

The product of its (nonzero) digits is 1440, while the sum is 22.

The square root of 22653004 is about 4759.5172024061. The cubic root of 22653004 is about 282.9492848226.

Adding to 22653004 its reverse (40035622), we get a palindrome (62688626).

The spelling of 22653004 in words is "twenty-two million, six hundred fifty-three thousand, four".