422640402226 has 32 divisors (see below), whose sum is σ = 757410001920. Its totient is φ = 172939502736.

The previous prime is 422640402169. The next prime is 422640402229. The reversal of 422640402226 is 622204046224.

It is a junction number, because it is equal to n+sod(n) for n = 422640402191 and 422640402200.

It is not an unprimeable number, because it can be changed into a prime (422640402229) 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, 1023636 + ... + 1375903.

It is an arithmetic number, because the mean of its divisors is an integer number (23669062560).

Almost surely, 2^422640402226 is an apocalyptic number.

422640402226 is a gapful number since it is divisible by the number (46) formed by its first and last digit.

422640402226 is a deficient number, since it is larger than the sum of its proper divisors (334769599694).

422640402226 is a wasteful number, since it uses less digits than its factorization.

422640402226 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 2400118.

The product of its (nonzero) digits is 73728, while the sum is 34.

The spelling of 422640402226 in words is "four hundred twenty-two billion, six hundred forty million, four hundred two thousand, two hundred twenty-six".