22553117 has 4 divisors (see below), whose sum is σ = 22581216. Its totient is φ = 22525020.

The previous prime is 22553107. The next prime is 22553123. The reversal of 22553117 is 71135522.

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, and also an emirpimes, since its reverse is a distinct semiprime: 71135522 = 2 ⋅35567761.

It is a cyclic number.

It is not a de Polignac number, because 22553117 - 2¹⁰ = 22552093 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 (22553107) 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, 12809 + ... + 14462.

It is an arithmetic number, because the mean of its divisors is an integer number (5645304).

Almost surely, 2^22553117 is an apocalyptic number.

It is an amenable number.

22553117 is a deficient number, since it is larger than the sum of its proper divisors (28099).

22553117 is an equidigital number, since it uses as much as digits as its factorization.

22553117 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 28098.

The product of its digits is 2100, while the sum is 26.

The square root of 22553117 is about 4749.0122130818. The cubic root of 22553117 is about 282.5327896782.

Adding to 22553117 its reverse (71135522), we get a palindrome (93688639).

The spelling of 22553117 in words is "twenty-two million, five hundred fifty-three thousand, one hundred seventeen".