47442284 has 12 divisors (see below), whose sum is σ = 86633904. Its totient is φ = 22689744.

The previous prime is 47442281. The next prime is 47442293. The reversal of 47442284 is 48224474.

It is a super-2 number, since 2×47442284² = 4501540622273312, which contains 22 as substring.

It is not an unprimeable number, because it can be changed into a prime (47442281) by changing a digit.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 257747 + ... + 257930.

It is an arithmetic number, because the mean of its divisors is an integer number (7219492).

Almost surely, 2^47442284 is an apocalyptic number.

It is an amenable number.

47442284 is a deficient number, since it is larger than the sum of its proper divisors (39191620).

47442284 is a wasteful number, since it uses less digits than its factorization.

47442284 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 515704 (or 515702 counting only the distinct ones).

The product of its digits is 57344, while the sum is 35.

The square root of 47442284 is about 6887.8359446201. The cubic root of 47442284 is about 362.0110799087.

The spelling of 47442284 in words is "forty-seven million, four hundred forty-two thousand, two hundred eighty-four".