22675661 has 4 divisors (see below), whose sum is σ = 22740252. Its totient is φ = 22611072.

The previous prime is 22675657. The next prime is 22675669. The reversal of 22675661 is 16657622.

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 13645636 + 9030025 = 3694^2 + 3005^2 .

It is a cyclic number.

It is not a de Polignac number, because 22675661 - 2² = 22675657 is a prime.

It is a Duffinian number.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (22675669) 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, 31766 + ... + 32471.

It is an arithmetic number, because the mean of its divisors is an integer number (5685063).

Almost surely, 2^22675661 is an apocalyptic number.

It is an amenable number.

22675661 is a deficient number, since it is larger than the sum of its proper divisors (64591).

22675661 is an equidigital number, since it uses as much as digits as its factorization.

22675661 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 64590.

The product of its digits is 30240, while the sum is 35.

The square root of 22675661 is about 4761.8967859457. The cubic root of 22675661 is about 283.0435864559.

The spelling of 22675661 in words is "twenty-two million, six hundred seventy-five thousand, six hundred sixty-one".