47122216 has 32 divisors (see below), whose sum is σ = 95385600. Its totient is φ = 21757120.

The previous prime is 47122199. The next prime is 47122237. The reversal of 47122216 is 61222174.

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, 921 + ... + 9751.

It is an arithmetic number, because the mean of its divisors is an integer number (2980800).

Almost surely, 2^47122216 is an apocalyptic number.

47122216 is a gapful number since it is divisible by the number (46) formed by its first and last digit.

It is an amenable number.

47122216 is an abundant number, since it is smaller than the sum of its proper divisors (48263384).

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

47122216 is a wasteful number, since it uses less digits than its factorization.

47122216 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 8889 (or 8885 counting only the distinct ones).

The product of its digits is 1344, while the sum is 25.

The square root of 47122216 is about 6864.5623312779. The cubic root of 47122216 is about 361.1951431491.

The spelling of 47122216 in words is "forty-seven million, one hundred twenty-two thousand, two hundred sixteen".