22453012 has 12 divisors (see below), whose sum is σ = 39384576. Its totient is φ = 11200280.

The previous prime is 22452979. The next prime is 22453031. The reversal of 22453012 is 21035422.

It is a congruent number.

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, 4564 + ... + 8107.

It is an arithmetic number, because the mean of its divisors is an integer number (3282048).

Almost surely, 2^22453012 is an apocalyptic number.

It is an amenable number.

22453012 is a deficient number, since it is larger than the sum of its proper divisors (16931564).

22453012 is a wasteful number, since it uses less digits than its factorization.

22453012 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 13118 (or 13116 counting only the distinct ones).

The product of its (nonzero) digits is 480, while the sum is 19.

The square root of 22453012 is about 4738.4609315684. The cubic root of 22453012 is about 282.1141499210.

Adding to 22453012 its reverse (21035422), we get a palindrome (43488434).

The spelling of 22453012 in words is "twenty-two million, four hundred fifty-three thousand, twelve".