22159674 has 12 divisors (see below), whose sum is σ = 48012666. Its totient is φ = 7386552.

The previous prime is 22159667. The next prime is 22159691. The reversal of 22159674 is 47695122.

It can be written as a sum of positive squares in only one way, i.e., 17164449 + 4995225 = 4143^2 + 2235^2 .

It is a Curzon number.

It is an unprimeable number.

It is a polite number, since it can be written in 5 ways as a sum of consecutive naturals, for example, 615529 + ... + 615564.

Almost surely, 2^22159674 is an apocalyptic number.

22159674 is an abundant number, since it is smaller than the sum of its proper divisors (25852992).

It is a pseudoperfect number, because it is the sum of a subset of its proper divisors.

22159674 is a wasteful number, since it uses less digits than its factorization.

22159674 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 1231101 (or 1231098 counting only the distinct ones).

The product of its digits is 30240, while the sum is 36.

The square root of 22159674 is about 4707.4062922166. The cubic root of 22159674 is about 280.8801978298.

It can be divided in two parts, 221 and 59674, that added together give a palindrome (59895).

The spelling of 22159674 in words is "twenty-two million, one hundred fifty-nine thousand, six hundred seventy-four".