422263646 has 16 divisors (see below), whose sum is σ = 766462176. Its totient is φ = 170324736.

The previous prime is 422263637. The next prime is 422263661. The reversal of 422263646 is 646362224.

It is a congruent number.

It is an unprimeable number.

It is a pernicious number, because its binary representation contains a prime number (17) of ones.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 886871 + ... + 887346.

It is an arithmetic number, because the mean of its divisors is an integer number (47903886).

Almost surely, 2^422263646 is an apocalyptic number.

422263646 is a deficient number, since it is larger than the sum of its proper divisors (344198530).

422263646 is a wasteful number, since it uses less digits than its factorization.

422263646 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 1774243.

The product of its digits is 82944, while the sum is 35.

The square root of 422263646 is about 20549.0546254566. The cubic root of 422263646 is about 750.2302380541.

The spelling of 422263646 in words is "four hundred twenty-two million, two hundred sixty-three thousand, six hundred forty-six".