422631302 has 16 divisors (see below), whose sum is σ = 672358752. Its totient is φ = 198813120.

The previous prime is 422631301. The next prime is 422631311. The reversal of 422631302 is 203136224.

It is a Harshad number since it is a multiple of its sum of digits (23).

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (422631301) by changing a digit.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 72503 + ... + 78114.

It is an arithmetic number, because the mean of its divisors is an integer number (42022422).

Almost surely, 2^422631302 is an apocalyptic number.

422631302 is a deficient number, since it is larger than the sum of its proper divisors (249727450).

422631302 is a wasteful number, since it uses less digits than its factorization.

422631302 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 150703.

The product of its (nonzero) digits is 1728, while the sum is 23.

The square root of 422631302 is about 20557.9984920712. The cubic root of 422631302 is about 750.4479114102.

Adding to 422631302 its reverse (203136224), we get a palindrome (625767526).

The spelling of 422631302 in words is "four hundred twenty-two million, six hundred thirty-one thousand, three hundred two".