47226131 has 2 divisors, whose sum is σ = 47226132. Its totient is φ = 47226130.

The previous prime is 47226079. The next prime is 47226143. The reversal of 47226131 is 13162274.

It is a strong prime.

It is a cyclic number.

It is a de Polignac number, because none of the positive numbers 2^k-47226131 is a prime.

It is a super-2 number, since 2×47226131² = 4460614898458322, which contains 22 as substring.

It is a Sophie Germain prime.

It is a Chen prime.

It is a self number, because there is not a number n which added to its sum of digits gives 47226131.

It is not a weakly prime, because it can be changed into another prime (47226031) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 23613065 + 23613066.

It is an arithmetic number, because the mean of its divisors is an integer number (23613066).

Almost surely, 2^47226131 is an apocalyptic number.

47226131 is a deficient number, since it is larger than the sum of its proper divisors (1).

47226131 is an equidigital number, since it uses as much as digits as its factorization.

47226131 is an evil number, because the sum of its binary digits is even.

The product of its digits is 2016, while the sum is 26.

The square root of 47226131 is about 6872.1271088361. The cubic root of 47226131 is about 361.4604535148.

The spelling of 47226131 in words is "forty-seven million, two hundred twenty-six thousand, one hundred thirty-one".