3637228 has 12 divisors (see below), whose sum is σ = 7274512. Its totient is φ = 1558800.

The previous prime is 3637223. The next prime is 3637273. The reversal of 3637228 is 8227363.

3637228 is an admirable number.

It is a hoax number, since the sum of its digits (31) coincides with the sum of the digits of its distinct prime factors.

It is a self number, because there is not a number n which added to its sum of digits gives 3637228.

It is not an unprimeable number, because it can be changed into a prime (3637223) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (17) of ones.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 64923 + ... + 64978.

Almost surely, 2^3637228 is an apocalyptic number.

It is an amenable number.

3637228 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.

3637228 is a wasteful number, since it uses less digits than its factorization.

3637228 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 129912 (or 129910 counting only the distinct ones).

The product of its digits is 12096, while the sum is 31.

The square root of 3637228 is about 1907.1518030823. The cubic root of 3637228 is about 153.7883752007.

The spelling of 3637228 in words is "three million, six hundred thirty-seven thousand, two hundred twenty-eight".