56672228 has 6 divisors (see below), whose sum is σ = 99176406. Its totient is φ = 28336112.

The previous prime is 56672227. The next prime is 56672251. The reversal of 56672228 is 82227665.

It can be written as a sum of positive squares in only one way, i.e., 56670784 + 1444 = 7528^2 + 38^2 .

It is a junction number, because it is equal to n+sod(n) for n = 56672191 and 56672200.

It is not an unprimeable number, because it can be changed into a prime (56672227) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 7084025 + ... + 7084032.

It is an arithmetic number, because the mean of its divisors is an integer number (16529401).

Almost surely, 2^56672228 is an apocalyptic number.

It is an amenable number.

56672228 is a deficient number, since it is larger than the sum of its proper divisors (42504178).

56672228 is a wasteful number, since it uses less digits than its factorization.

56672228 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 14168061 (or 14168059 counting only the distinct ones).

The product of its digits is 80640, while the sum is 38.

The square root of 56672228 is about 7528.0959079969. The cubic root of 56672228 is about 384.1110157173. Note that the first 3 decimals are identical.

The spelling of 56672228 in words is "fifty-six million, six hundred seventy-two thousand, two hundred twenty-eight".