22746451 has 16 divisors (see below), whose sum is σ = 28170688. Its totient is φ = 17884800.

The previous prime is 22746419. The next prime is 22746461. The reversal of 22746451 is 15464722.

It is a cyclic number.

It is not a de Polignac number, because 22746451 - 2⁵ = 22746419 is a prime.

It is not an unprimeable number, because it can be changed into a prime (22746461) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (13) of ones.

It is a polite number, since it can be written in 15 ways as a sum of consecutive naturals, for example, 15781 + ... + 17161.

It is an arithmetic number, because the mean of its divisors is an integer number (1760668).

Almost surely, 2^22746451 is an apocalyptic number.

22746451 is a deficient number, since it is larger than the sum of its proper divisors (5424237).

22746451 is a wasteful number, since it uses less digits than its factorization.

22746451 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 1582.

The product of its digits is 13440, while the sum is 31.

The square root of 22746451 is about 4769.3239562856. The cubic root of 22746451 is about 283.3378203057.

The spelling of 22746451 in words is "twenty-two million, seven hundred forty-six thousand, four hundred fifty-one".