22263648025 has 6 divisors (see below), whose sum is σ = 27606923582. Its totient is φ = 17810918400.

The previous prime is 22263648023. The next prime is 22263648047. The reversal of 22263648025 is 52084636222.

It can be written as a sum of positive squares in 3 ways, for example, as 1814409 + 22261833616 = 1347^2 + 149204^2 .

It is not a de Polignac number, because 22263648025 - 2¹ = 22263648023 is a prime.

It is a Duffinian number.

It is not an unprimeable number, because it can be changed into a prime (22263648023) 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, 445272936 + ... + 445272985.

Almost surely, 2^22263648025 is an apocalyptic number.

22263648025 is a gapful number since it is divisible by the number (25) formed by its first and last digit.

It is an amenable number.

22263648025 is a deficient number, since it is larger than the sum of its proper divisors (5343275557).

22263648025 is an equidigital number, since it uses as much as digits as its factorization.

22263648025 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 890545931 (or 890545926 counting only the distinct ones).

The product of its (nonzero) digits is 276480, while the sum is 40.

The spelling of 22263648025 in words is "twenty-two billion, two hundred sixty-three million, six hundred forty-eight thousand, twenty-five".