47922231 has 16 divisors (see below), whose sum is σ = 74055168. Its totient is φ = 26997600.

The previous prime is 47922223. The next prime is 47922247. The reversal of 47922231 is 13222974.

It is not a de Polignac number, because 47922231 - 2³ = 47922223 is a prime.

It is a super-2 number, since 2×47922231² = 4593080448034722, which contains 22 as substring.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (47922131) by changing a digit.

It is a polite number, since it can be written in 15 ways as a sum of consecutive naturals, for example, 14580 + ... + 17561.

It is an arithmetic number, because the mean of its divisors is an integer number (4628448).

Almost surely, 2^47922231 is an apocalyptic number.

47922231 is a deficient number, since it is larger than the sum of its proper divisors (26132937).

47922231 is a wasteful number, since it uses less digits than its factorization.

47922231 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 32222.

The product of its digits is 6048, while the sum is 30.

The square root of 47922231 is about 6922.5884609733. The cubic root of 47922231 is about 363.2277407339.

The spelling of 47922231 in words is "forty-seven million, nine hundred twenty-two thousand, two hundred thirty-one".