26225631 has 12 divisors (see below), whose sum is σ = 37928280. Its totient is φ = 17462160.

The previous prime is 26225623. The next prime is 26225651. The reversal of 26225631 is 13652262.

26225631 is a `hidden beast` number, since 2 + 6 + 2 + 25 + 631 = 666.

It is not a de Polignac number, because 26225631 - 2³ = 26225623 is a prime.

It is a super-2 number, since 2×26225631² = 1375567442696322, which contains 22 as substring.

It is a junction number, because it is equal to n+sod(n) for n = 26225595 and 26225604.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (26225621) by changing a digit.

It is a polite number, since it can be written in 11 ways as a sum of consecutive naturals, for example, 9876 + ... + 12246.

It is an arithmetic number, because the mean of its divisors is an integer number (3160690).

Almost surely, 2^26225631 is an apocalyptic number.

26225631 is a deficient number, since it is larger than the sum of its proper divisors (11702649).

26225631 is a wasteful number, since it uses less digits than its factorization.

26225631 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 3606 (or 3603 counting only the distinct ones).

The product of its digits is 4320, while the sum is 27.

The square root of 26225631 is about 5121.0966598962. The cubic root of 26225631 is about 297.1041025398.

Adding to 26225631 its reverse (13652262), we get a palindrome (39877893).

The spelling of 26225631 in words is "twenty-six million, two hundred twenty-five thousand, six hundred thirty-one".