47620228 has 6 divisors (see below), whose sum is σ = 83335406. Its totient is φ = 23810112.

The previous prime is 47620211. The next prime is 47620249. The reversal of 47620228 is 82202674.

It can be written as a sum of positive squares in only one way, i.e., 44515584 + 3104644 = 6672^2 + 1762^2 .

It is a super-2 number, since 2×47620228² = 4535372229543968, which contains 22 as substring.

It is a self number, because there is not a number n which added to its sum of digits gives 47620228.

It is an unprimeable number.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 5952525 + ... + 5952532.

Almost surely, 2^47620228 is an apocalyptic number.

It is an amenable number.

47620228 is a deficient number, since it is larger than the sum of its proper divisors (35715178).

47620228 is a wasteful number, since it uses less digits than its factorization.

47620228 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 11905061 (or 11905059 counting only the distinct ones).

The product of its (nonzero) digits is 10752, while the sum is 31.

The square root of 47620228 is about 6900.7411196190. The cubic root of 47620228 is about 362.4631191967.

The spelling of 47620228 in words is "forty-seven million, six hundred twenty thousand, two hundred twenty-eight".