94642231 has 2 divisors, whose sum is σ = 94642232. Its totient is φ = 94642230.

The previous prime is 94642199. The next prime is 94642243. The reversal of 94642231 is 13224649.

It is a happy number.

It is a strong prime.

It is a cyclic number.

It is not a de Polignac number, because 94642231 - 2⁵ = 94642199 is a prime.

It is a super-2 number, since 2×94642231² = 17914303777314722, which contains 22 as substring.

It is a junction number, because it is equal to n+sod(n) for n = 94642193 and 94642202.

It is a congruent number.

It is not a weakly prime, because it can be changed into another prime (94642931) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (11) of ones.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 47321115 + 47321116.

It is an arithmetic number, because the mean of its divisors is an integer number (47321116).

Almost surely, 2^94642231 is an apocalyptic number.

94642231 is a deficient number, since it is larger than the sum of its proper divisors (1).

94642231 is an equidigital number, since it uses as much as digits as its factorization.

94642231 is an odious number, because the sum of its binary digits is odd.

The product of its digits is 10368, while the sum is 31.

The square root of 94642231 is about 9728.4238702885. The cubic root of 94642231 is about 455.7167482077.

The spelling of 94642231 in words is "ninety-four million, six hundred forty-two thousand, two hundred thirty-one".