52197227 has 8 divisors (see below), whose sum is σ = 53771520. Its totient is φ = 50639400.

The previous prime is 52197217. The next prime is 52197239. The reversal of 52197227 is 72279125.

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

It is a cyclic number.

It is not a de Polignac number, because 52197227 - 2¹² = 52193131 is a prime.

It is a Duffinian number.

It is a nialpdrome in base 13.

It is not an unprimeable number, because it can be changed into a prime (52197217) 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, 2474 + ... + 10512.

It is an arithmetic number, because the mean of its divisors is an integer number (6721440).

Almost surely, 2^52197227 is an apocalyptic number.

52197227 is a deficient number, since it is larger than the sum of its proper divisors (1574293).

52197227 is a wasteful number, since it uses less digits than its factorization.

52197227 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 8233.

The product of its digits is 17640, while the sum is 35.

The square root of 52197227 is about 7224.7648404637. The cubic root of 52197227 is about 373.7224126273.

The spelling of 52197227 in words is "fifty-two million, one hundred ninety-seven thousand, two hundred twenty-seven".