22542617 has 4 divisors (see below), whose sum is σ = 22749540. Its totient is φ = 22335696.

The previous prime is 22542601. The next prime is 22542623. The reversal of 22542617 is 71624522.

It is a happy number.

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 16801801 + 5740816 = 4099^2 + 2396^2 .

It is a cyclic number.

It is not a de Polignac number, because 22542617 - 2⁴ = 22542601 is a prime.

It is a Duffinian number.

It is a self number, because there is not a number n which added to its sum of digits gives 22542617.

It is not an unprimeable number, because it can be changed into a prime (22542677) 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, 103298 + ... + 103515.

It is an arithmetic number, because the mean of its divisors is an integer number (5687385).

Almost surely, 2^22542617 is an apocalyptic number.

It is an amenable number.

22542617 is a deficient number, since it is larger than the sum of its proper divisors (206923).

22542617 is a wasteful number, since it uses less digits than its factorization.

22542617 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 206922.

The product of its digits is 6720, while the sum is 29.

The square root of 22542617 is about 4747.9065913305. The cubic root of 22542617 is about 282.4889368367.

The spelling of 22542617 in words is "twenty-two million, five hundred forty-two thousand, six hundred seventeen".