22745018 has 8 divisors (see below), whose sum is σ = 34501140. Its totient is φ = 11244640.

The previous prime is 22744991. The next prime is 22745027. The reversal of 22745018 is 81054722.

It can be written as a sum of positive squares in 2 ways, for example, as 19333609 + 3411409 = 4397^2 + 1847^2 .

It is a sphenic number, since it is the product of 3 distinct primes.

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, 63713 + ... + 64068.

Almost surely, 2^22745018 is an apocalyptic number.

22745018 is a deficient number, since it is larger than the sum of its proper divisors (11756122).

22745018 is a wasteful number, since it uses less digits than its factorization.

22745018 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 127872.

The product of its (nonzero) digits is 4480, while the sum is 29.

The square root of 22745018 is about 4769.1737229839. The cubic root of 22745018 is about 283.3318701962.

The spelling of 22745018 in words is "twenty-two million, seven hundred forty-five thousand, eighteen".