22552871 has 4 divisors (see below), whose sum is σ = 24603144. Its totient is φ = 20502600.

The previous prime is 22552853. The next prime is 22552909. The reversal of 22552871 is 17825522.

It is a happy number.

It is a semiprime because it is the product of two primes.

It is a cyclic number.

It is not a de Polignac number, because 22552871 - 2²² = 18358567 is a prime.

It is a super-3 number, since 3×22552871³ (a number of 23 digits) contains 333 as substring.

It is a Duffinian number.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (22552801) 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, 1025120 + ... + 1025141.

It is an arithmetic number, because the mean of its divisors is an integer number (6150786).

Almost surely, 2^22552871 is an apocalyptic number.

22552871 is a deficient number, since it is larger than the sum of its proper divisors (2050273).

22552871 is a wasteful number, since it uses less digits than its factorization.

22552871 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 2050272.

The product of its digits is 11200, while the sum is 32.

The square root of 22552871 is about 4748.9863128883. The cubic root of 22552871 is about 282.5317624245.

The spelling of 22552871 in words is "twenty-two million, five hundred fifty-two thousand, eight hundred seventy-one".