22451368 has 16 divisors (see below), whose sum is σ = 42160500. Its totient is φ = 11208576.

The previous prime is 22451353. The next prime is 22451371. The reversal of 22451368 is 86315422.

It can be written as a sum of positive squares in 2 ways, for example, as 22259524 + 191844 = 4718^2 + 438^2 .

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, 4738 + ... + 8206.

Almost surely, 2^22451368 is an apocalyptic number.

It is an amenable number.

22451368 is a deficient number, since it is larger than the sum of its proper divisors (19709132).

22451368 is a wasteful number, since it uses less digits than its factorization.

22451368 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 4284 (or 4280 counting only the distinct ones).

The product of its digits is 11520, while the sum is 31.

The square root of 22451368 is about 4738.2874543447. The cubic root of 22451368 is about 282.1072643269.

The spelling of 22451368 in words is "twenty-two million, four hundred fifty-one thousand, three hundred sixty-eight".