47272228 has 24 divisors (see below), whose sum is σ = 87372320. Its totient is φ = 22379112.

The previous prime is 47272217. The next prime is 47272231. The reversal of 47272228 is 82227274.

It is a junction number, because it is equal to n+sod(n) for n = 47272193 and 47272202.

It is an unprimeable number.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 26575 + ... + 28297.

Almost surely, 2^47272228 is an apocalyptic number.

It is an amenable number.

47272228 is a deficient number, since it is larger than the sum of its proper divisors (40100092).

47272228 is a wasteful number, since it uses less digits than its factorization.

47272228 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 1784 (or 1744 counting only the distinct ones).

The product of its digits is 25088, while the sum is 34.

The square root of 47272228 is about 6875.4802014114. The cubic root of 47272228 is about 361.5780213656.

The spelling of 47272228 in words is "forty-seven million, two hundred seventy-two thousand, two hundred twenty-eight".