422649319 has 16 divisors (see below), whose sum is σ = 460385280. Its totient is φ = 386527680.

The previous prime is 422649301. The next prime is 422649323. The reversal of 422649319 is 913946224.

It is a cyclic number.

It is not a de Polignac number, because 422649319 - 2⁵ = 422649287 is a prime.

It is a super-2 number, since 2×422649319² = 357264893702327522, 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 (422649329) by changing a digit.

It is a polite number, since it can be written in 15 ways as a sum of consecutive naturals, for example, 362832 + ... + 363994.

It is an arithmetic number, because the mean of its divisors is an integer number (28774080).

Almost surely, 2^422649319 is an apocalyptic number.

422649319 is a deficient number, since it is larger than the sum of its proper divisors (37735961).

422649319 is a wasteful number, since it uses less digits than its factorization.

422649319 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 1830.

The product of its digits is 93312, while the sum is 40.

The square root of 422649319 is about 20558.4366866744. The cubic root of 422649319 is about 750.4585752582.

The spelling of 422649319 in words is "four hundred twenty-two million, six hundred forty-nine thousand, three hundred nineteen".