47581228 has 24 divisors (see below), whose sum is σ = 86672880. Its totient is φ = 22827840.

The previous prime is 47581217. The next prime is 47581231. The reversal of 47581228 is 82218574.

It is a hoax number, since the sum of its digits (37) coincides with the sum of the digits of its distinct prime factors.

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, 18883 + ... + 21253.

It is an arithmetic number, because the mean of its divisors is an integer number (3611370).

Almost surely, 2^47581228 is an apocalyptic number.

It is an amenable number.

47581228 is a deficient number, since it is larger than the sum of its proper divisors (39091652).

47581228 is a wasteful number, since it uses less digits than its factorization.

47581228 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 2577 (or 2575 counting only the distinct ones).

The product of its digits is 35840, while the sum is 37.

The square root of 47581228 is about 6897.9147573741. The cubic root of 47581228 is about 362.3641421930.

The spelling of 47581228 in words is "forty-seven million, five hundred eighty-one thousand, two hundred twenty-eight".