52228372 has 12 divisors (see below), whose sum is σ = 104456800. Its totient is φ = 22383576.

The previous prime is 52228367. The next prime is 52228399. The reversal of 52228372 is 27382225.

52228372 is an admirable number.

It is a congruent number.

It is an unprimeable number.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 932622 + ... + 932677.

Almost surely, 2^52228372 is an apocalyptic number.

It is an amenable number.

52228372 is a primitive abundant number, since it is smaller than the sum of its proper divisors, none of which is abundant.

It is a pseudoperfect number, because it is the sum of a subset of its proper divisors.

52228372 is a wasteful number, since it uses less digits than its factorization.

52228372 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 1865310 (or 1865308 counting only the distinct ones).

The product of its digits is 13440, while the sum is 31.

The square root of 52228372 is about 7226.9199525109. The cubic root of 52228372 is about 373.7967286459.

The spelling of 52228372 in words is "fifty-two million, two hundred twenty-eight thousand, three hundred seventy-two".