422313239 has 4 divisors (see below), whose sum is σ = 424080480. Its totient is φ = 420546000.

The previous prime is 422313193. The next prime is 422313253. The reversal of 422313239 is 932313224.

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 422313239 - 2¹⁶ = 422247703 is a prime.

It is a super-2 number, since 2×422313239² = 356696943669342242, which contains 22 as substring.

It is a Duffinian number.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (422313289) by changing a digit.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 883262 + ... + 883739.

It is an arithmetic number, because the mean of its divisors is an integer number (106020120).

Almost surely, 2^422313239 is an apocalyptic number.

422313239 is a deficient number, since it is larger than the sum of its proper divisors (1767241).

422313239 is a wasteful number, since it uses less digits than its factorization.

422313239 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 1767240.

The product of its digits is 7776, while the sum is 29.

The square root of 422313239 is about 20550.2612878766. The cubic root of 422313239 is about 750.2596073135.

The spelling of 422313239 in words is "four hundred twenty-two million, three hundred thirteen thousand, two hundred thirty-nine".