422679429 has 6 divisors (see below), whose sum is σ = 610536966. Its totient is φ = 281786280.

The previous prime is 422679427. The next prime is 422679443. The reversal of 422679429 is 924976224.

It is a happy number.

It can be written as a sum of positive squares in only one way, i.e., 387893025 + 34786404 = 19695^2 + 5898^2 .

It is not a de Polignac number, because 422679429 - 2¹ = 422679427 is a prime.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (422679421) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (13) of ones.

It is a polite number, since it can be written in 5 ways as a sum of consecutive naturals, for example, 23482182 + ... + 23482199.

It is an arithmetic number, because the mean of its divisors is an integer number (101756161).

Almost surely, 2^422679429 is an apocalyptic number.

It is an amenable number.

422679429 is a deficient number, since it is larger than the sum of its proper divisors (187857537).

422679429 is a wasteful number, since it uses less digits than its factorization.

422679429 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 46964387 (or 46964384 counting only the distinct ones).

The product of its digits is 435456, while the sum is 45.

The square root of 422679429 is about 20559.1689763959. The cubic root of 422679429 is about 750.4763959984.

The spelling of 422679429 in words is "four hundred twenty-two million, six hundred seventy-nine thousand, four hundred twenty-nine".