22615673 has 2 divisors, whose sum is σ = 22615674. Its totient is φ = 22615672.

The previous prime is 22615669. The next prime is 22615687. The reversal of 22615673 is 37651622.

It is a weak prime.

It can be written as a sum of positive squares in only one way, i.e., 13446889 + 9168784 = 3667^2 + 3028^2 .

It is a cyclic number.

It is not a de Polignac number, because 22615673 - 2² = 22615669 is a prime.

It is a super-2 number, since 2×22615673² = 1022937330485858, which contains 22 as substring.

It is not a weakly prime, because it can be changed into another prime (22615603) by changing a digit.

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, 11307836 + 11307837.

It is an arithmetic number, because the mean of its divisors is an integer number (11307837).

Almost surely, 2^22615673 is an apocalyptic number.

It is an amenable number.

22615673 is a deficient number, since it is larger than the sum of its proper divisors (1).

22615673 is an equidigital number, since it uses as much as digits as its factorization.

22615673 is an odious number, because the sum of its binary digits is odd.

The product of its digits is 15120, while the sum is 32.

The square root of 22615673 is about 4755.5938640721. The cubic root of 22615673 is about 282.7937706816.

The spelling of 22615673 in words is "twenty-two million, six hundred fifteen thousand, six hundred seventy-three".