22604051 has 4 divisors (see below), whose sum is σ = 22638312. Its totient is φ = 22569792.

The previous prime is 22604047. The next prime is 22604063. The reversal of 22604051 is 15040622.

It is a happy number.

It is a semiprime because it is the product of two primes, and also an emirpimes, since its reverse is a distinct semiprime: 15040622 = 2 ⋅7520311.

It is a cyclic number.

It is not a de Polignac number, because 22604051 - 2² = 22604047 is a prime.

It is a super-2 number, since 2×22604051² = 1021886243221202, which contains 22 as substring.

It is a Duffinian number.

It is not an unprimeable number, because it can be changed into a prime (22604011) 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, 16121 + ... + 17466.

It is an arithmetic number, because the mean of its divisors is an integer number (5659578).

Almost surely, 2^22604051 is an apocalyptic number.

22604051 is a deficient number, since it is larger than the sum of its proper divisors (34261).

22604051 is an equidigital number, since it uses as much as digits as its factorization.

22604051 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 34260.

The product of its (nonzero) digits is 480, while the sum is 20.

The square root of 22604051 is about 4754.3717776379. The cubic root of 22604051 is about 282.7453206184.

Adding to 22604051 its reverse (15040622), we get a palindrome (37644673).

The spelling of 22604051 in words is "twenty-two million, six hundred four thousand, fifty-one".