22304004 has 24 divisors (see below), whose sum is σ = 53722368. Its totient is φ = 7194720.

The previous prime is 22303993. The next prime is 22304027. The reversal of 22304004 is 40040322.

It is a happy number.

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, 29607 + ... + 30350.

It is an arithmetic number, because the mean of its divisors is an integer number (2238432).

Almost surely, 2^22304004 is an apocalyptic number.

It is an amenable number.

22304004 is an abundant number, since it is smaller than the sum of its proper divisors (31418364).

It is a pseudoperfect number, because it is the sum of a subset of its proper divisors.

22304004 is a wasteful number, since it uses less digits than its factorization.

22304004 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 59995 (or 59993 counting only the distinct ones).

The product of its (nonzero) digits is 192, while the sum is 15.

The square root of 22304004 is about 4722.7115092921. The cubic root of 22304004 is about 281.4886866619.

Adding to 22304004 its reverse (40040322), we get a palindrome (62344326).

The spelling of 22304004 in words is "twenty-two million, three hundred four thousand, four".