422403524 has 12 divisors (see below), whose sum is σ = 745027584. Its totient is φ = 209538504.

The previous prime is 422403503. The next prime is 422403557. The reversal of 422403524 is 425304224.

It is a happy number.

It is a junction number, because it is equal to n+sod(n) for n = 422403493 and 422403502.

It is an unprimeable number.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 415244 + ... + 416259.

It is an arithmetic number, because the mean of its divisors is an integer number (62085632).

Almost surely, 2^422403524 is an apocalyptic number.

It is an amenable number.

422403524 is a deficient number, since it is larger than the sum of its proper divisors (322624060).

422403524 is a wasteful number, since it uses less digits than its factorization.

422403524 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 831634 (or 831632 counting only the distinct ones).

The product of its (nonzero) digits is 7680, while the sum is 26.

The square root of 422403524 is about 20552.4578578816. The cubic root of 422403524 is about 750.3130687065.

Adding to 422403524 its reverse (425304224), we get a palindrome (847707748).

The spelling of 422403524 in words is "four hundred twenty-two million, four hundred three thousand, five hundred twenty-four".