22318705 has 16 divisors (see below), whose sum is σ = 28788480. Its totient is φ = 16549632.

The previous prime is 22318691. The next prime is 22318727. The reversal of 22318705 is 50781322.

It is a cyclic number.

It is not a de Polignac number, because 22318705 - 2⁷ = 22318577 is a prime.

It is a super-3 number, since 3×22318705³ (a number of 23 digits) contains 333 as substring.

It is an unprimeable number.

It is a polite number, since it can be written in 15 ways as a sum of consecutive naturals, for example, 3736 + ... + 7654.

It is an arithmetic number, because the mean of its divisors is an integer number (1799280).

Almost surely, 2^22318705 is an apocalyptic number.

It is an amenable number.

22318705 is a deficient number, since it is larger than the sum of its proper divisors (6469775).

22318705 is a wasteful number, since it uses less digits than its factorization.

22318705 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 4008.

The product of its (nonzero) digits is 3360, while the sum is 28.

The square root of 22318705 is about 4724.2676681153. The cubic root of 22318705 is about 281.5505179567.

The spelling of 22318705 in words is "twenty-two million, three hundred eighteen thousand, seven hundred five".