422563329 has 24 divisors (see below), whose sum is σ = 623586600. Its totient is φ = 275638272.

The previous prime is 422563307. The next prime is 422563357. The reversal of 422563329 is 923365224.

It is a happy number.

It can be written as a sum of positive squares in 4 ways, for example, as 67617729 + 354945600 = 8223^2 + 18840^2 .

It is not a de Polignac number, because 422563329 - 2⁸ = 422563073 is a prime.

It is a junction number, because it is equal to n+sod(n) for n = 422563293 and 422563302.

It is not an unprimeable number, because it can be changed into a prime (422563129) by changing a digit.

It is a polite number, since it can be written in 23 ways as a sum of consecutive naturals, for example, 213187 + ... + 215159.

It is an arithmetic number, because the mean of its divisors is an integer number (25982775).

Almost surely, 2^422563329 is an apocalyptic number.

It is an amenable number.

422563329 is a deficient number, since it is larger than the sum of its proper divisors (201023271).

422563329 is a wasteful number, since it uses less digits than its factorization.

422563329 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 2481 (or 2478 counting only the distinct ones).

The product of its digits is 77760, while the sum is 36.

The square root of 422563329 is about 20556.3452247718. The cubic root of 422563329 is about 750.4076770258.

The spelling of 422563329 in words is "four hundred twenty-two million, five hundred sixty-three thousand, three hundred twenty-nine".