93722131 has 2 divisors, whose sum is σ = 93722132. Its totient is φ = 93722130.

The previous prime is 93722129. The next prime is 93722137. The reversal of 93722131 is 13122739.

It is a weak prime.

It is a cyclic number.

It is not a de Polignac number, because 93722131 - 2¹ = 93722129 is a prime.

It is a super-2 number, since 2×93722131² = 17567675678362322, which contains 22 as substring.

Together with 93722129, it forms a pair of twin primes.

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 93722131.

It is not a weakly prime, because it can be changed into another prime (93722137) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 46861065 + 46861066.

It is an arithmetic number, because the mean of its divisors is an integer number (46861066).

Almost surely, 2^93722131 is an apocalyptic number.

93722131 is a deficient number, since it is larger than the sum of its proper divisors (1).

93722131 is an equidigital number, since it uses as much as digits as its factorization.

93722131 is an evil number, because the sum of its binary digits is even.

The product of its digits is 2268, while the sum is 28.

The square root of 93722131 is about 9681.0191095773. The cubic root of 93722131 is about 454.2351292279.

The spelling of 93722131 in words is "ninety-three million, seven hundred twenty-two thousand, one hundred thirty-one".