25212224434223 has 2 divisors, whose sum is σ = 25212224434224. Its totient is φ = 25212224434222.

The previous prime is 25212224434211. The next prime is 25212224434237. The reversal of 25212224434223 is 32243442221252.

It is a weak prime.

It is a cyclic number.

It is not a de Polignac number, because 25212224434223 - 2¹⁰ = 25212224433199 is a prime.

It is a super-2 number, since 2×25212224434223² (a number of 28 digits) contains 22 as substring.

It is a congruent number.

It is not a weakly prime, because it can be changed into another prime (25212224434283) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 12606112217111 + 12606112217112.

It is an arithmetic number, because the mean of its divisors is an integer number (12606112217112).

Almost surely, 2^{25212224434223} is an apocalyptic number.

25212224434223 is a deficient number, since it is larger than the sum of its proper divisors (1).

25212224434223 is an equidigital number, since it uses as much as digits as its factorization.

25212224434223 is an evil number, because the sum of its binary digits is even.

The product of its digits is 368640, while the sum is 38.

Adding to 25212224434223 its reverse (32243442221252), we get a palindrome (57455666655475).

The spelling of 25212224434223 in words is "twenty-five trillion, two hundred twelve billion, two hundred twenty-four million, four hundred thirty-four thousand, two hundred twenty-three".