622222222225 has 12 divisors (see below), whose sum is σ = 771755923036. Its totient is φ = 497648508480.

The previous prime is 622222222199. The next prime is 622222222249. The reversal of 622222222225 is 522222222226.

622222222225 is digitally balanced in base 2, because in such base it contains all the possibile digits an equal number of times.

It can be written as a sum of positive squares in 6 ways, for example, as 254977024 + 621967245201 = 15968^2 + 788649^2 .

It is not a de Polignac number, because 622222222225 - 2²³ = 622213833617 is a prime.

It is a Duffinian number.

It is an unprimeable number.

It is a polite number, since it can be written in 11 ways as a sum of consecutive naturals, for example, 3133482 + ... + 3326131.

Almost surely, 2^622222222225 is an apocalyptic number.

It is an amenable number.

622222222225 is a deficient number, since it is larger than the sum of its proper divisors (149533700811).

622222222225 is a wasteful number, since it uses less digits than its factorization.

622222222225 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 6463476 (or 6463471 counting only the distinct ones).

The product of its digits is 30720, while the sum is 31.

Subtracting from 622222222225 its reverse (522222222226), we obtain a palindrome (99999999999).

The spelling of 622222222225 in words is "six hundred twenty-two billion, two hundred twenty-two million, two hundred twenty-two thousand, two hundred twenty-five".