22504101 has 4 divisors (see below), whose sum is σ = 30005472. Its totient is φ = 15002732.

The previous prime is 22504091. The next prime is 22504123. The reversal of 22504101 is 10140522.

It is a semiprime because it is the product of two primes, and also a Blum integer, because the two primes are equal to 3 mod 4.

It is a cyclic number.

It is not a de Polignac number, because 22504101 - 2⁷ = 22503973 is a prime.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (22504201) 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 in 3 ways as a sum of consecutive naturals, for example, 3750681 + ... + 3750686.

It is an arithmetic number, because the mean of its divisors is an integer number (7501368).

Almost surely, 2^22504101 is an apocalyptic number.

It is an amenable number.

22504101 is a deficient number, since it is larger than the sum of its proper divisors (7501371).

22504101 is an equidigital number, since it uses as much as digits as its factorization.

22504101 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 7501370.

The product of its (nonzero) digits is 80, while the sum is 15.

The square root of 22504101 is about 4743.8487539128. The cubic root of 22504101 is about 282.3279595724.

Adding to 22504101 its reverse (10140522), we get a palindrome (32644623).

The spelling of 22504101 in words is "twenty-two million, five hundred four thousand, one hundred one".