5222222225 has 12 divisors (see below), whose sum is σ = 7064242800. Its totient is φ = 3797979600.

The previous prime is 5222222221. The next prime is 5222222233.

It is a happy number.

5222222225 is nontrivially palindromic in base 10.

It is not a de Polignac number, because 5222222225 - 2² = 5222222221 is a prime.

It is a junction number, because it is equal to n+sod(n) for n = 5222222194 and 5222222203.

It is not an unprimeable number, because it can be changed into a prime (5222222221) by changing a digit.

It is a polite number, since it can be written in 11 ways as a sum of consecutive naturals, for example, 9494675 + ... + 9495224.

It is an arithmetic number, because the mean of its divisors is an integer number (588686900).

Almost surely, 2^5222222225 is an apocalyptic number.

5222222225 is a gapful number since it is divisible by the number (55) formed by its first and last digit.

It is an amenable number.

5222222225 is a deficient number, since it is larger than the sum of its proper divisors (1842020575).

5222222225 is a wasteful number, since it uses less digits than its factorization.

5222222225 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 18989920 (or 18989915 counting only the distinct ones).

The product of its digits is 6400, while the sum is 26.

The square root of 5222222225 is about 72264.9446481487. The cubic root of 5222222225 is about 1734.9426214390.

It can be divided in two parts, 52222 and 22225, that added together give a palindrome (74447).

The spelling of 5222222225 in words is "five billion, two hundred twenty-two million, two hundred twenty-two thousand, two hundred twenty-five".