52222137 has 8 divisors (see below), whose sum is σ = 75959520. Its totient is φ = 31649760.

The previous prime is 52222129. The next prime is 52222141. The reversal of 52222137 is 73122225.

It is a happy number.

It is a sphenic number, since it is the product of 3 distinct primes.

It is not a de Polignac number, because 52222137 - 2³ = 52222129 is a prime.

It is not an unprimeable number, because it can be changed into a prime (52222117) by changing a digit.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 791212 + ... + 791277.

It is an arithmetic number, because the mean of its divisors is an integer number (9494940).

Almost surely, 2^52222137 is an apocalyptic number.

It is an amenable number.

52222137 is a deficient number, since it is larger than the sum of its proper divisors (23737383).

52222137 is a wasteful number, since it uses less digits than its factorization.

52222137 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 1582503.

The product of its digits is 1680, while the sum is 24.

The square root of 52222137 is about 7226.4885663786. The cubic root of 52222137 is about 373.7818534911.

The spelling of 52222137 in words is "fifty-two million, two hundred twenty-two thousand, one hundred thirty-seven".