94220939 has 2 divisors, whose sum is σ = 94220940. Its totient is φ = 94220938.

The previous prime is 94220933. The next prime is 94220941. The reversal of 94220939 is 93902249.

It is a strong prime.

It is a cyclic number.

It is a de Polignac number, because none of the positive numbers 2^k-94220939 is a prime.

It is a Sophie Germain prime.

Together with 94220941, it forms a pair of twin primes.

It is a Chen prime.

It is not a weakly prime, because it can be changed into another prime (94220933) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 47110469 + 47110470.

It is an arithmetic number, because the mean of its divisors is an integer number (47110470).

Almost surely, 2^94220939 is an apocalyptic number.

94220939 is a deficient number, since it is larger than the sum of its proper divisors (1).

94220939 is an equidigital number, since it uses as much as digits as its factorization.

94220939 is an odious number, because the sum of its binary digits is odd.

The product of its (nonzero) digits is 34992, while the sum is 38.

The square root of 94220939 is about 9706.7470864343. The cubic root of 94220939 is about 455.0395473414.

It can be divided in two parts, 94220 and 939, that added together give a palindrome (95159).

The spelling of 94220939 in words is "ninety-four million, two hundred twenty thousand, nine hundred thirty-nine".