47226931 has 2 divisors, whose sum is σ = 47226932. Its totient is φ = 47226930.

The previous prime is 47226887. The next prime is 47226937. The reversal of 47226931 is 13962274.

It is a strong prime.

It is a cyclic number.

It is not a de Polignac number, because 47226931 - 2¹³ = 47218739 is a prime.

It is a super-2 number, since 2×47226931² = 4460766023357522, which contains 22 as substring.

It is not a weakly prime, because it can be changed into another prime (47226937) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 23613465 + 23613466.

It is an arithmetic number, because the mean of its divisors is an integer number (23613466).

Almost surely, 2^47226931 is an apocalyptic number.

47226931 is a deficient number, since it is larger than the sum of its proper divisors (1).

47226931 is an equidigital number, since it uses as much as digits as its factorization.

47226931 is an evil number, because the sum of its binary digits is even.

The product of its digits is 18144, while the sum is 34.

The square root of 47226931 is about 6872.1853147307. The cubic root of 47226931 is about 361.4624945227.

The spelling of 47226931 in words is "forty-seven million, two hundred twenty-six thousand, nine hundred thirty-one".