422254221452 has 48 divisors (see below), whose sum is σ = 845779200000. Its totient is φ = 180694027584.

The previous prime is 422254221383. The next prime is 422254221457. The reversal of 422254221452 is 254122452224.

It is not an unprimeable number, because it can be changed into a prime (422254221457) 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, 60673949 + ... + 60680907.

It is an arithmetic number, because the mean of its divisors is an integer number (17620400000).

Almost surely, 2^422254221452 is an apocalyptic number.

It is an amenable number.

422254221452 is an abundant number, since it is smaller than the sum of its proper divisors (423524978548).

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

422254221452 is a wasteful number, since it uses less digits than its factorization.

422254221452 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 9918 (or 9916 counting only the distinct ones).

The product of its digits is 102400, while the sum is 35.

Adding to 422254221452 its reverse (254122452224), we get a palindrome (676376673676).

The spelling of 422254221452 in words is "four hundred twenty-two billion, two hundred fifty-four million, two hundred twenty-one thousand, four hundred fifty-two".