22299868025 has 6 divisors (see below), whose sum is σ = 27651836382. Its totient is φ = 17839894400.

The previous prime is 22299868021. The next prime is 22299868039. The reversal of 22299868025 is 52086899222.

It is a happy number.

It can be written as a sum of positive squares in 3 ways, for example, as 100060009 + 22199808016 = 10003^2 + 148996^2 .

It is not a de Polignac number, because 22299868025 - 2² = 22299868021 is a prime.

It is a super-2 number, since 2×22299868025² (a number of 21 digits) contains 22 as substring.

It is a Duffinian number.

It is not an unprimeable number, because it can be changed into a prime (22299868021) by changing a digit.

It is a polite number, since it can be written in 5 ways as a sum of consecutive naturals, for example, 445997336 + ... + 445997385.

It is an arithmetic number, because the mean of its divisors is an integer number (4608639397).

Almost surely, 2^22299868025 is an apocalyptic number.

22299868025 is a gapful number since it is divisible by the number (25) formed by its first and last digit.

It is an amenable number.

22299868025 is a deficient number, since it is larger than the sum of its proper divisors (5351968357).

22299868025 is an equidigital number, since it uses as much as digits as its factorization.

22299868025 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 891994731 (or 891994726 counting only the distinct ones).

The product of its (nonzero) digits is 2488320, while the sum is 53.

The spelling of 22299868025 in words is "twenty-two billion, two hundred ninety-nine million, eight hundred sixty-eight thousand, twenty-five".