422421632 has 16 divisors (see below), whose sum is σ = 841543350. Its totient is φ = 211210752.

The previous prime is 422421613. The next prime is 422421653. The reversal of 422421632 is 236124224.

It is a happy number.

It can be written as a sum of positive squares in only one way, i.e., 293916736 + 128504896 = 17144^2 + 11336^2 .

It is a tau number, because it is divible by the number of its divisors (16).

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 as a sum of consecutive naturals, namely, 1649957 + ... + 1650212.

Almost surely, 2^422421632 is an apocalyptic number.

It is an amenable number.

422421632 is a deficient number, since it is larger than the sum of its proper divisors (419121718).

422421632 is an equidigital number, since it uses as much as digits as its factorization.

422421632 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 3300183 (or 3300171 counting only the distinct ones).

The product of its digits is 4608, while the sum is 26.

The square root of 422421632 is about 20552.8983844128. The cubic root of 422421632 is about 750.3237902671.

Adding to 422421632 its reverse (236124224), we get a palindrome (658545856).

The spelling of 422421632 in words is "four hundred twenty-two million, four hundred twenty-one thousand, six hundred thirty-two".