47722148 has 36 divisors (see below), whose sum is σ = 91974960. Its totient is φ = 21604176.

The previous prime is 47722141. The next prime is 47722159. The reversal of 47722148 is 84122774.

It is a happy number.

It is not an unprimeable number, because it can be changed into a prime (47722141) by changing a digit.

It is a polite number, since it can be written in 11 ways as a sum of consecutive naturals, for example, 39611 + ... + 40797.

It is an arithmetic number, because the mean of its divisors is an integer number (2554860).

Almost surely, 2^47722148 is an apocalyptic number.

It is an amenable number.

47722148 is a deficient number, since it is larger than the sum of its proper divisors (44252812).

47722148 is a wasteful number, since it uses less digits than its factorization.

47722148 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 1256 (or 1231 counting only the distinct ones).

The product of its digits is 25088, while the sum is 35.

The square root of 47722148 is about 6908.1218865912. The cubic root of 47722148 is about 362.7215242103.

The spelling of 47722148 in words is "forty-seven million, seven hundred twenty-two thousand, one hundred forty-eight".