422373291 has 4 divisors (see below), whose sum is σ = 563164392. Its totient is φ = 281582192.

The previous prime is 422373269. The next prime is 422373317. The reversal of 422373291 is 192373224.

It is a semiprime because it is the product of two primes.

It is a cyclic number.

It is not a de Polignac number, because 422373291 - 2⁹ = 422372779 is a prime.

It is not an unprimeable number, because it can be changed into a prime (422373491) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (17) of ones.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 70395546 + ... + 70395551.

It is an arithmetic number, because the mean of its divisors is an integer number (140791098).

Almost surely, 2^422373291 is an apocalyptic number.

422373291 is a deficient number, since it is larger than the sum of its proper divisors (140791101).

422373291 is a wasteful number, since it uses less digits than its factorization.

422373291 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 140791100.

The product of its digits is 18144, while the sum is 33.

The square root of 422373291 is about 20551.7223365829. The cubic root of 422373291 is about 750.2951673753.

The spelling of 422373291 in words is "four hundred twenty-two million, three hundred seventy-three thousand, two hundred ninety-one".