22675993 has 4 divisors (see below), whose sum is σ = 23229108. Its totient is φ = 22122880.

The previous prime is 22675967. The next prime is 22676021. The reversal of 22675993 is 39957622.

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

It can be written as a sum of positive squares in 2 ways, for example, as 12866569 + 9809424 = 3587^2 + 3132^2 .

It is a cyclic number.

It is a de Polignac number, because none of the positive numbers 2^k-22675993 is a prime.

It is a Duffinian number.

It is a plaindrome in base 11.

It is not an unprimeable number, because it can be changed into a prime (22675903) by changing a digit.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 276496 + ... + 276577.

It is an arithmetic number, because the mean of its divisors is an integer number (5807277).

Almost surely, 2^22675993 is an apocalyptic number.

It is an amenable number.

22675993 is a deficient number, since it is larger than the sum of its proper divisors (553115).

22675993 is an equidigital number, since it uses as much as digits as its factorization.

22675993 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 553114.

The product of its digits is 204120, while the sum is 43.

The square root of 22675993 is about 4761.9316458765. The cubic root of 22675993 is about 283.0449678197.

The spelling of 22675993 in words is "twenty-two million, six hundred seventy-five thousand, nine hundred ninety-three".