22318866025 has 9 divisors (see below), whose sum is σ = 27676320151. Its totient is φ = 17854495240.

The previous prime is 22318865999. The next prime is 22318866107. The reversal of 22318866025 is 52066881322.

The square root of 22318866025 is 149395.

It is a perfect power (a square), and thus also a powerful number.

It can be written as a sum of positive squares in only one way, i.e., 8034791769 + 14284074256 = 89637^2 + 119516^2 .

It is not a de Polignac number, because 22318866025 - 2³¹ = 20171382377 is a prime.

It is a super-3 number, since 3×22318866025³ (a number of 32 digits) contains 333 as substring.

It is a Duffinian number.

It is an unprimeable number.

It is a pernicious number, because its binary representation contains a prime number (19) of ones.

It is a polite number, since it can be written in 8 ways as a sum of consecutive naturals, for example, 732036 + ... + 761914.

Almost surely, 2^22318866025 is an apocalyptic number.

22318866025 is a gapful number since it is divisible by the number (25) formed by its first and last digit.

22318866025 is the 149395-th square number.

22318866025 is the 74698-th centered octagonal number.

It is an amenable number.

22318866025 is a deficient number, since it is larger than the sum of its proper divisors (5357454126).

22318866025 is an frugal number, since it uses more digits than its factorization.

22318866025 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 59768 (or 29884 counting only the distinct ones).

The product of its (nonzero) digits is 276480, while the sum is 43.

The spelling of 22318866025 in words is "twenty-two billion, three hundred eighteen million, eight hundred sixty-six thousand, twenty-five".