52252231 has 4 divisors (see below), whose sum is σ = 52438464. Its totient is φ = 52066000.

The previous prime is 52252199. The next prime is 52252247. The reversal of 52252231 is 13225225.

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 52252231 - 2⁵ = 52252199 is a prime.

It is a super-2 number, since 2×52252231² = 5460591288954722, which contains 22 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 (52252531) 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, 92695 + ... + 93256.

It is an arithmetic number, because the mean of its divisors is an integer number (13109616).

Almost surely, 2^52252231 is an apocalyptic number.

52252231 is a deficient number, since it is larger than the sum of its proper divisors (186233).

52252231 is a wasteful number, since it uses less digits than its factorization.

52252231 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 186232.

The product of its digits is 1200, while the sum is 22.

The square root of 52252231 is about 7228.5704672501. The cubic root of 52252231 is about 373.8536393384.

Adding to 52252231 its reverse (13225225), we get a palindrome (65477456).

The spelling of 52252231 in words is "fifty-two million, two hundred fifty-two thousand, two hundred thirty-one".