25226623 has 8 divisors (see below), whose sum is σ = 28116720. Its totient is φ = 22492800.

The previous prime is 25226609. The next prime is 25226627. The reversal of 25226623 is 32662252.

It is a sphenic number, since it is the product of 3 distinct primes.

It is a cyclic number.

It is not a de Polignac number, because 25226623 - 2²¹ = 23129471 is a prime.

It is a Duffinian number.

It is a junction number, because it is equal to n+sod(n) for n = 25226591 and 25226600.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (25226627) by changing a digit.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 38728 + ... + 39373.

It is an arithmetic number, because the mean of its divisors is an integer number (3514590).

Almost surely, 2^25226623 is an apocalyptic number.

25226623 is a deficient number, since it is larger than the sum of its proper divisors (2890097).

25226623 is a wasteful number, since it uses less digits than its factorization.

25226623 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 78137.

The product of its digits is 8640, while the sum is 28.

The square root of 25226623 is about 5022.6111734834. The cubic root of 25226623 is about 293.2826503630.

Adding to 25226623 its reverse (32662252), we get a palindrome (57888875).

The spelling of 25226623 in words is "twenty-five million, two hundred twenty-six thousand, six hundred twenty-three".