422646622 has 32 divisors (see below), whose sum is σ = 696294144. Its totient is φ = 191539200.

The previous prime is 422646619. The next prime is 422646629. The reversal of 422646622 is 226646224.

It is a Harshad number since it is a multiple of its sum of digits (34).

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (422646629) by changing a digit.

It is a polite number, since it can be written in 15 ways as a sum of consecutive naturals, for example, 244722 + ... + 246442.

It is an arithmetic number, because the mean of its divisors is an integer number (21759192).

Almost surely, 2^422646622 is an apocalyptic number.

422646622 is a deficient number, since it is larger than the sum of its proper divisors (273647522).

422646622 is a wasteful number, since it uses less digits than its factorization.

422646622 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 2004.

The product of its digits is 55296, while the sum is 34.

The square root of 422646622 is about 20558.3710930609. The cubic root of 422646622 is about 750.4569789852.

The spelling of 422646622 in words is "four hundred twenty-two million, six hundred forty-six thousand, six hundred twenty-two".