422932091 has 2 divisors, whose sum is σ = 422932092. Its totient is φ = 422932090.

The previous prime is 422932079. The next prime is 422932117. The reversal of 422932091 is 190239224.

It is a weak prime.

It is a cyclic number.

It is a de Polignac number, because none of the positive numbers 2^k-422932091 is a prime.

It is not a weakly prime, because it can be changed into another prime (422932031) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 211466045 + 211466046.

It is an arithmetic number, because the mean of its divisors is an integer number (211466046).

Almost surely, 2^422932091 is an apocalyptic number.

422932091 is a deficient number, since it is larger than the sum of its proper divisors (1).

422932091 is an equidigital number, since it uses as much as digits as its factorization.

422932091 is an evil number, because the sum of its binary digits is even.

The product of its (nonzero) digits is 7776, while the sum is 32.

The square root of 422932091 is about 20565.3128106528. The cubic root of 422932091 is about 750.6259018136.

The spelling of 422932091 in words is "four hundred twenty-two million, nine hundred thirty-two thousand, ninety-one".