22318874 has 16 divisors (see below), whose sum is σ = 34525440. Its totient is φ = 10815840.

The previous prime is 22318871. The next prime is 22318889. The reversal of 22318874 is 47881322.

It is a super-3 number, since 3×22318874³ (a number of 23 digits) contains 333 as substring.

It is not an unprimeable number, because it can be changed into a prime (22318871) by changing a digit.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 7319 + ... + 9909.

It is an arithmetic number, because the mean of its divisors is an integer number (2157840).

Almost surely, 2^22318874 is an apocalyptic number.

22318874 is a deficient number, since it is larger than the sum of its proper divisors (12206566).

22318874 is a wasteful number, since it uses less digits than its factorization.

22318874 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 2725.

The product of its digits is 21504, while the sum is 35.

The square root of 22318874 is about 4724.2855544516. The cubic root of 22318874 is about 281.5512286000.

The spelling of 22318874 in words is "twenty-two million, three hundred eighteen thousand, eight hundred seventy-four".