622252252225 has 6 divisors (see below), whose sum is σ = 771592792790. Its totient is φ = 497801801760.

The previous prime is 622252252213. The next prime is 622252252247. The reversal of 622252252225 is 522252252226.

It can be written as a sum of positive squares in 3 ways, for example, as 2845475649 + 619406776576 = 53343^2 + 787024^2 .

It is not a de Polignac number, because 622252252225 - 2¹¹ = 622252250177 is a prime.

It is an unprimeable number.

It is a polite number, since it can be written in 5 ways as a sum of consecutive naturals, for example, 12445045020 + ... + 12445045069.

Almost surely, 2^622252252225 is an apocalyptic number.

It is an amenable number.

622252252225 is a deficient number, since it is larger than the sum of its proper divisors (149340540565).

622252252225 is a wasteful number, since it uses less digits than its factorization.

622252252225 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 24890090099 (or 24890090094 counting only the distinct ones).

The product of its digits is 192000, while the sum is 37.

Subtracting from 622252252225 its reverse (522252252226), we obtain a palindrome (99999999999).

The spelling of 622252252225 in words is "six hundred twenty-two billion, two hundred fifty-two million, two hundred fifty-two thousand, two hundred twenty-five".