22159474 has 8 divisors (see below), whose sum is σ = 33308928. Its totient is φ = 11056500.

The previous prime is 22159447. The next prime is 22159481. The reversal of 22159474 is 47495122.

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, 10402 + ... + 12349.

It is an arithmetic number, because the mean of its divisors is an integer number (4163616).

Almost surely, 2^22159474 is an apocalyptic number.

22159474 is a deficient number, since it is larger than the sum of its proper divisors (11149454).

22159474 is a wasteful number, since it uses less digits than its factorization.

22159474 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 23240.

The product of its digits is 20160, while the sum is 34.

The square root of 22159474 is about 4707.3850490479. The cubic root of 22159474 is about 280.8793528082.

It can be divided in two parts, 221 and 59474, that added together give a palindrome (59695).

The spelling of 22159474 in words is "twenty-two million, one hundred fifty-nine thousand, four hundred seventy-four".