422873636 has 12 divisors (see below), whose sum is σ = 740549040. Its totient is φ = 211288200.

The previous prime is 422873611. The next prime is 422873651. The reversal of 422873636 is 636378224.

It is a super-2 number, since 2×422873636² = 357644224047720992, which contains 22 as substring.

It is a junction number, because it is equal to n+sod(n) for n = 422873593 and 422873602.

It is an unprimeable number.

It is a pernicious number, because its binary representation contains a prime number (11) of ones.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 30626 + ... + 42233.

It is an arithmetic number, because the mean of its divisors is an integer number (61712420).

Almost surely, 2^422873636 is an apocalyptic number.

It is an amenable number.

422873636 is a deficient number, since it is larger than the sum of its proper divisors (317675404).

422873636 is a wasteful number, since it uses less digits than its factorization.

422873636 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 74314 (or 74312 counting only the distinct ones).

The product of its digits is 290304, while the sum is 41.

The square root of 422873636 is about 20563.8915577767. The cubic root of 422873636 is about 750.5913179645.

The spelling of 422873636 in words is "four hundred twenty-two million, eight hundred seventy-three thousand, six hundred thirty-six".