52207228 has 6 divisors (see below), whose sum is σ = 91362656. Its totient is φ = 26103612.

The previous prime is 52207213. The next prime is 52207273. The reversal of 52207228 is 82270225.

It is a junction number, because it is equal to n+sod(n) for n = 52207196 and 52207205.

It is a congruent number.

It is an unprimeable number.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 6525900 + ... + 6525907.

Almost surely, 2^52207228 is an apocalyptic number.

It is an amenable number.

52207228 is a deficient number, since it is larger than the sum of its proper divisors (39155428).

52207228 is a wasteful number, since it uses less digits than its factorization.

52207228 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 13051811 (or 13051809 counting only the distinct ones).

The product of its (nonzero) digits is 4480, while the sum is 28.

The square root of 52207228 is about 7225.4569405678. The cubic root of 52207228 is about 373.7462795348.

The spelling of 52207228 in words is "fifty-two million, two hundred seven thousand, two hundred twenty-eight".