22304012 has 12 divisors (see below), whose sum is σ = 39079656. Its totient is φ = 11138400.

The previous prime is 22303993. The next prime is 22304027. The reversal of 22304012 is 21040322.

It is a super-2 number, since 2×22304012² = 994937902592288, which contains 22 as substring.

It is an unprimeable number.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 887 + ... + 6737.

It is an arithmetic number, because the mean of its divisors is an integer number (3256638).

Almost surely, 2^22304012 is an apocalyptic number.

It is an amenable number.

22304012 is a deficient number, since it is larger than the sum of its proper divisors (16775644).

22304012 is a wasteful number, since it uses less digits than its factorization.

22304012 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 6808 (or 6806 counting only the distinct ones).

The product of its (nonzero) digits is 96, while the sum is 14.

The square root of 22304012 is about 4722.7123562631. The cubic root of 22304012 is about 281.4887203167.

Adding to 22304012 its reverse (21040322), we get a palindrome (43344334).

The spelling of 22304012 in words is "twenty-two million, three hundred four thousand, twelve".