47012231 has 8 divisors (see below), whose sum is σ = 54040224. Its totient is φ = 40062240.

The previous prime is 47012227. The next prime is 47012233. The reversal of 47012231 is 13221074.

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

It is a cyclic number.

It is not a de Polignac number, because 47012231 - 2² = 47012227 is a prime.

It is a super-2 number, since 2×47012231² = 4420299727194722, which contains 22 as substring.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (47012233) by changing a digit.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 18200 + ... + 20621.

It is an arithmetic number, because the mean of its divisors is an integer number (6755028).

Almost surely, 2^47012231 is an apocalyptic number.

47012231 is a deficient number, since it is larger than the sum of its proper divisors (7027993).

47012231 is a wasteful number, since it uses less digits than its factorization.

47012231 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 39001.

The product of its (nonzero) digits is 336, while the sum is 20.

The square root of 47012231 is about 6856.5465797295. The cubic root of 47012231 is about 360.9139099454.

The spelling of 47012231 in words is "forty-seven million, twelve thousand, two hundred thirty-one".