25226431224605 has 16 divisors (see below), whose sum is σ = 33651934063104. Its totient is φ = 18027821816640.

The previous prime is 25226431224601. The next prime is 25226431224619. The reversal of 25226431224605 is 50642213462252.

It is not a de Polignac number, because 25226431224605 - 2² = 25226431224601 is a prime.

It is a super-2 number, since 2×25226431224605² (a number of 28 digits) contains 22 as substring.

It is a Duffinian number.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (25226431224601) by changing a digit.

It is a polite number, since it can be written in 15 ways as a sum of consecutive naturals, for example, 6259658339 + ... + 6259662368.

It is an arithmetic number, because the mean of its divisors is an integer number (2103245878944).

Almost surely, 2^{25226431224605} is an apocalyptic number.

It is an amenable number.

25226431224605 is a deficient number, since it is larger than the sum of its proper divisors (8425502838499).

25226431224605 is a wasteful number, since it uses less digits than its factorization.

25226431224605 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 12519320756.

The product of its (nonzero) digits is 1382400, while the sum is 44.

Adding to 25226431224605 its reverse (50642213462252), we get a palindrome (75868644686857).

The spelling of 25226431224605 in words is "twenty-five trillion, two hundred twenty-six billion, four hundred thirty-one million, two hundred twenty-four thousand, six hundred five".