22613732 has 6 divisors (see below), whose sum is σ = 39574038. Its totient is φ = 11306864.

The previous prime is 22613719. The next prime is 22613741. The reversal of 22613732 is 23731622.

It can be written as a sum of positive squares in only one way, i.e., 16192576 + 6421156 = 4024^2 + 2534^2 .

It is a super-2 number, since 2×22613732² = 1022761749935648, which contains 22 as substring.

It is an unprimeable number.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 2826713 + ... + 2826720.

It is an arithmetic number, because the mean of its divisors is an integer number (6595673).

Almost surely, 2^22613732 is an apocalyptic number.

It is an amenable number.

22613732 is a deficient number, since it is larger than the sum of its proper divisors (16960306).

22613732 is a wasteful number, since it uses less digits than its factorization.

22613732 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 5653437 (or 5653435 counting only the distinct ones).

The product of its digits is 3024, while the sum is 26.

The square root of 22613732 is about 4755.3897842343. The cubic root of 22613732 is about 282.7856801505.

The spelling of 22613732 in words is "twenty-two million, six hundred thirteen thousand, seven hundred thirty-two".