47404228 has 12 divisors (see below), whose sum is σ = 87837372. Its totient is φ = 22307840.

The previous prime is 47404213. The next prime is 47404237. The reversal of 47404228 is 82240474.

It can be written as a sum of positive squares in 2 ways, for example, as 35070084 + 12334144 = 5922^2 + 3512^2 .

It is a super-3 number, since 3×47404228³ (a number of 24 digits) contains 333 as substring.

It is a self number, because there is not a number n which added to its sum of digits gives 47404228.

It is an unprimeable number.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 348493 + ... + 348628.

It is an arithmetic number, because the mean of its divisors is an integer number (7319781).

Almost surely, 2^47404228 is an apocalyptic number.

It is an amenable number.

47404228 is a deficient number, since it is larger than the sum of its proper divisors (40433144).

47404228 is a wasteful number, since it uses less digits than its factorization.

47404228 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 697142 (or 697140 counting only the distinct ones).

The product of its (nonzero) digits is 14336, while the sum is 31.

The square root of 47404228 is about 6885.0728391209. The cubic root of 47404228 is about 361.9142578489.

The spelling of 47404228 in words is "forty-seven million, four hundred four thousand, two hundred twenty-eight".