22443212400025 has 12 divisors (see below), whose sum is σ = 27830916921600. Its totient is φ = 17953709568080.

The previous prime is 22443212399987. The next prime is 22443212400047. The reversal of 22443212400025 is 52000421234422.

It is a happy number.

It is not a de Polignac number, because 22443212400025 - 2³⁷ = 22305773446553 is a prime.

It is a self number, because there is not a number n which added to its sum of digits gives 22443212400025.

It is an unprimeable number.

It is a polite number, since it can be written in 11 ways as a sum of consecutive naturals, for example, 20976385 + ... + 22020334.

It is an arithmetic number, because the mean of its divisors is an integer number (2319243076800).

Almost surely, 2^{22443212400025} is an apocalyptic number.

22443212400025 is a gapful number since it is divisible by the number (25) formed by its first and last digit.

It is an amenable number.

22443212400025 is a deficient number, since it is larger than the sum of its proper divisors (5387704521575).

22443212400025 is a wasteful number, since it uses less digits than its factorization.

22443212400025 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 43017608 (or 43017603 counting only the distinct ones).

The product of its (nonzero) digits is 30720, while the sum is 31.

Adding to 22443212400025 its reverse (52000421234422), we get a palindrome (74443633634447).

The spelling of 22443212400025 in words is "twenty-two trillion, four hundred forty-three billion, two hundred twelve million, four hundred thousand, twenty-five".