47225318 has 24 divisors (see below), whose sum is σ = 84164832. Its totient is φ = 19806864.

The previous prime is 47225281. The next prime is 47225327. The reversal of 47225318 is 81352274.

47225318 is digitally balanced in base 2, because in such base it contains all the possibile digits an equal number of times.

It is a super-2 number, since 2×47225318² = 4460461320402248, which contains 22 as substring.

It is a congruent number.

It is an unprimeable number.

It is a pernicious number, because its binary representation contains a prime number (13) of ones.

It is a polite number, since it can be written in 11 ways as a sum of consecutive naturals, for example, 521 + ... + 9732.

It is an arithmetic number, because the mean of its divisors is an integer number (3506868).

Almost surely, 2^47225318 is an apocalyptic number.

47225318 is a deficient number, since it is larger than the sum of its proper divisors (36939514).

47225318 is a wasteful number, since it uses less digits than its factorization.

47225318 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 10316 (or 10309 counting only the distinct ones).

The product of its digits is 13440, while the sum is 32.

The square root of 47225318 is about 6872.0679565907. The cubic root of 47225318 is about 361.4583793168.

The spelling of 47225318 in words is "forty-seven million, two hundred twenty-five thousand, three hundred eighteen".