47122828 has 12 divisors (see below), whose sum is σ = 83863080. Its totient is φ = 23161952.

The previous prime is 47122813. The next prime is 47122849. The reversal of 47122828 is 82822174.

It is a junction number, because it is equal to n+sod(n) for n = 47122793 and 47122802.

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, 99601 + ... + 100072.

It is an arithmetic number, because the mean of its divisors is an integer number (6988590).

Almost surely, 2^47122828 is an apocalyptic number.

It is an amenable number.

47122828 is a deficient number, since it is larger than the sum of its proper divisors (36740252).

47122828 is a wasteful number, since it uses less digits than its factorization.

47122828 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 199736 (or 199734 counting only the distinct ones).

The product of its digits is 14336, while the sum is 34.

The square root of 47122828 is about 6864.6069079008. The cubic root of 47122828 is about 361.1967068169.

The spelling of 47122828 in words is "forty-seven million, one hundred twenty-two thousand, eight hundred twenty-eight".