94220587 has 2 divisors, whose sum is σ = 94220588. Its totient is φ = 94220586.

The previous prime is 94220561. The next prime is 94220593. The reversal of 94220587 is 78502249.

It is a strong prime.

It is a cyclic number.

It is not a de Polignac number, because 94220587 - 2⁷ = 94220459 is a prime.

It is not a weakly prime, because it can be changed into another prime (94220557) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 47110293 + 47110294.

It is an arithmetic number, because the mean of its divisors is an integer number (47110294).

Almost surely, 2^94220587 is an apocalyptic number.

94220587 is a deficient number, since it is larger than the sum of its proper divisors (1).

94220587 is an equidigital number, since it uses as much as digits as its factorization.

94220587 is an odious number, because the sum of its binary digits is odd.

The product of its (nonzero) digits is 40320, while the sum is 37.

The square root of 94220587 is about 9706.7289546994. The cubic root of 94220587 is about 455.0389806800.

The spelling of 94220587 in words is "ninety-four million, two hundred twenty thousand, five hundred eighty-seven".