47722808 has 32 divisors (see below), whose sum is σ = 108280800. Its totient is φ = 19249152.

The previous prime is 47722789. The next prime is 47722823. The reversal of 47722808 is 80822774.

It is a Smith number, since the sum of its digits (38) coincides with the sum of the digits of its prime factors.

It is a congruent number.

It is an unprimeable number.

It is a pernicious number, because its binary representation contains a prime number (11) of ones.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 24113 + ... + 26016.

It is an arithmetic number, because the mean of its divisors is an integer number (3383775).

Almost surely, 2^47722808 is an apocalyptic number.

It is an amenable number.

47722808 is an abundant number, since it is smaller than the sum of its proper divisors (60557992).

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

47722808 is a wasteful number, since it uses less digits than its factorization.

47722808 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 50159 (or 50155 counting only the distinct ones).

The product of its (nonzero) digits is 50176, while the sum is 38.

The square root of 47722808 is about 6908.1696562838. The cubic root of 47722808 is about 362.7231963556.

The spelling of 47722808 in words is "forty-seven million, seven hundred twenty-two thousand, eight hundred eight".