422630622 has 40 divisors (see below), whose sum is σ = 955427616. Its totient is φ = 139624128.

The previous prime is 422630609. The next prime is 422630641. The reversal of 422630622 is 226036224.

422630622 is a `hidden beast` number, since 4 + 2 + 2 + 6 + 30 + 622 = 666.

It is a Harshad number since it is a multiple of its sum of digits (27).

It is a congruent number.

It is an unprimeable number.

It is a polite number, since it can be written in 19 ways as a sum of consecutive naturals, for example, 6763 + ... + 29849.

Almost surely, 2^422630622 is an apocalyptic number.

It is a practical number, because each smaller number is the sum of distinct divisors of 422630622, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (477713808).

422630622 is an abundant number, since it is smaller than the sum of its proper divisors (532796994).

It is a pseudoperfect number, because it is the sum of a subset of its proper divisors.

422630622 is a wasteful number, since it uses less digits than its factorization.

422630622 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 23214 (or 23205 counting only the distinct ones).

The product of its (nonzero) digits is 6912, while the sum is 27.

The square root of 422630622 is about 20557.9819534895. The cubic root of 422630622 is about 750.4475089279.

Adding to 422630622 its reverse (226036224), we get a palindrome (648666846).

The spelling of 422630622 in words is "four hundred twenty-two million, six hundred thirty thousand, six hundred twenty-two".