52224147 has 12 divisors (see below), whose sum is σ = 75776064. Its totient is φ = 34658640.

The previous prime is 52224091. The next prime is 52224163. The reversal of 52224147 is 74142225.

It is not a de Polignac number, because 52224147 - 2⁷ = 52224019 is a prime.

It is a self number, because there is not a number n which added to its sum of digits gives 52224147.

It is not an unprimeable number, because it can be changed into a prime (52224197) by changing a digit.

It is a polite number, since it can be written in 11 ways as a sum of consecutive naturals, for example, 11004 + ... + 15017.

It is an arithmetic number, because the mean of its divisors is an integer number (6314672).

Almost surely, 2^52224147 is an apocalyptic number.

52224147 is a deficient number, since it is larger than the sum of its proper divisors (23551917).

52224147 is a wasteful number, since it uses less digits than its factorization.

52224147 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 26250 (or 26247 counting only the distinct ones).

The product of its digits is 4480, while the sum is 27.

The square root of 52224147 is about 7226.6276367335. The cubic root of 52224147 is about 373.7866489790.

The spelling of 52224147 in words is "fifty-two million, two hundred twenty-four thousand, one hundred forty-seven".