422345622 has 16 divisors (see below), whose sum is σ = 857299392. Its totient is φ = 138680520.

The previous prime is 422345621. The next prime is 422345669. The reversal of 422345622 is 226543224.

It is a self number, because there is not a number n which added to its sum of digits gives 422345622.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (422345621) 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, 524904 + ... + 525707.

It is an arithmetic number, because the mean of its divisors is an integer number (53581212).

Almost surely, 2^422345622 is an apocalyptic number.

422345622 is an abundant number, since it is smaller than the sum of its proper divisors (434953770).

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

422345622 is a wasteful number, since it uses less digits than its factorization.

422345622 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 1050683.

The product of its digits is 23040, while the sum is 30.

The square root of 422345622 is about 20551.0491702979. The cubic root of 422345622 is about 750.2787834713.

Adding to 422345622 its reverse (226543224), we get a palindrome (648888846).

The spelling of 422345622 in words is "four hundred twenty-two million, three hundred forty-five thousand, six hundred twenty-two".