422240644228 has 48 divisors (see below), whose sum is σ = 800078534640. Its totient is φ = 193823691264.

The previous prime is 422240644169. The next prime is 422240644229. The reversal of 422240644228 is 822446042224.

It can be written as a sum of positive squares in 8 ways, for example, as 23021385984 + 399219258244 = 151728^2 + 631838^2 .

It is not an unprimeable number, because it can be changed into a prime (422240644229) 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, 40858150 + ... + 40868482.

It is an arithmetic number, because the mean of its divisors is an integer number (16668302805).

Almost surely, 2^422240644228 is an apocalyptic number.

It is an amenable number.

422240644228 is a deficient number, since it is larger than the sum of its proper divisors (377837890412).

422240644228 is a wasteful number, since it uses less digits than its factorization.

422240644228 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 14536 (or 14534 counting only the distinct ones).

The product of its (nonzero) digits is 393216, while the sum is 40.

The spelling of 422240644228 in words is "four hundred twenty-two billion, two hundred forty million, six hundred forty-four thousand, two hundred twenty-eight".