422444655 has 24 divisors (see below), whose sum is σ = 736742448. Its totient is φ = 223917696.

The previous prime is 422444647. The next prime is 422444669. The reversal of 422444655 is 556444224.

422444655 is digitally balanced in base 6, because in such base it contains all the possibile digits an equal number of times.

It is not a de Polignac number, because 422444655 - 2³ = 422444647 is a prime.

It is a congruent number.

It is an unprimeable number.

It is a polite number, since it can be written in 23 ways as a sum of consecutive naturals, for example, 21462 + ... + 36131.

It is an arithmetic number, because the mean of its divisors is an integer number (30697602).

Almost surely, 2^422444655 is an apocalyptic number.

422444655 is a gapful number since it is divisible by the number (45) formed by its first and last digit.

422444655 is a deficient number, since it is larger than the sum of its proper divisors (314297793).

422444655 is a wasteful number, since it uses less digits than its factorization.

422444655 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 57767 (or 57764 counting only the distinct ones).

The product of its digits is 153600, while the sum is 36.

The square root of 422444655 is about 20553.4584681022. The cubic root of 422444655 is about 750.3374215062.

Adding to 422444655 its reverse (556444224), we get a palindrome (978888879).

The spelling of 422444655 in words is "four hundred twenty-two million, four hundred forty-four thousand, six hundred fifty-five".