47221682 has 8 divisors (see below), whose sum is σ = 74999196. Its totient is φ = 22221952.

The previous prime is 47221679. The next prime is 47221687. The reversal of 47221682 is 28612274.

It can be written as a sum of positive squares in 2 ways, for example, as 39828721 + 7392961 = 6311^2 + 2719^2 .

It is a sphenic number, since it is the product of 3 distinct primes.

It is not an unprimeable number, because it can be changed into a prime (47221687) 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, 694403 + ... + 694470.

Almost surely, 2^47221682 is an apocalyptic number.

47221682 is a deficient number, since it is larger than the sum of its proper divisors (27777514).

47221682 is a wasteful number, since it uses less digits than its factorization.

47221682 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 1388892.

The product of its digits is 10752, while the sum is 32.

The square root of 47221682 is about 6871.8034023101. The cubic root of 47221682 is about 361.4491025386.

The spelling of 47221682 in words is "forty-seven million, two hundred twenty-one thousand, six hundred eighty-two".