47544228 has 36 divisors (see below), whose sum is σ = 121139200. Its totient is φ = 15721776.

The previous prime is 47544187. The next prime is 47544247. The reversal of 47544228 is 82244574.

It is a tau number, because it is divible by the number of its divisors (36).

It is a super-2 number, since 2×47544228² = 4520907232231968, which contains 22 as substring.

It is a Harshad number since it is a multiple of its sum of digits (36).

It is a junction number, because it is equal to n+sod(n) for n = 47544192 and 47544201.

It is an unprimeable number.

It is a polite number, since it can be written in 11 ways as a sum of consecutive naturals, for example, 628 + ... + 9771.

Almost surely, 2^47544228 is an apocalyptic number.

It is an amenable number.

47544228 is an abundant number, since it is smaller than the sum of its proper divisors (73594972).

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

47544228 is a wasteful number, since it uses less digits than its factorization.

47544228 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 10536 (or 10531 counting only the distinct ones).

The product of its digits is 71680, while the sum is 36.

The square root of 47544228 is about 6895.2322658486. The cubic root of 47544228 is about 362.2701909254.

The spelling of 47544228 in words is "forty-seven million, five hundred forty-four thousand, two hundred twenty-eight".