22347274 has 4 divisors (see below), whose sum is σ = 33520914. Its totient is φ = 11173636.

The previous prime is 22347257. The next prime is 22347307. The reversal of 22347274 is 47274322.

It is a semiprime because it is the product of two primes.

It can be written as a sum of positive squares in only one way, i.e., 12780625 + 9566649 = 3575^2 + 3093^2 .

It is a Smith number, since the sum of its digits (31) coincides with the sum of the digits of its prime factors. Since it is squarefree, it is also a hoax number.

It is an unprimeable number.

It is a pernicious number, because its binary representation contains a prime number (13) of ones.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 5586817 + ... + 5586820.

Almost surely, 2^22347274 is an apocalyptic number.

22347274 is a deficient number, since it is larger than the sum of its proper divisors (11173640).

22347274 is a wasteful number, since it uses less digits than its factorization.

22347274 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 11173639.

The product of its digits is 18816, while the sum is 31.

The square root of 22347274 is about 4727.2903443728. The cubic root of 22347274 is about 281.6705994028.

The spelling of 22347274 in words is "twenty-two million, three hundred forty-seven thousand, two hundred seventy-four".