25223319 has 20 divisors (see below), whose sum is σ = 41106120. Its totient is φ = 15286320.

The previous prime is 25223311. The next prime is 25223329. The reversal of 25223319 is 91332252.

It is not a de Polignac number, because 25223319 - 2³ = 25223311 is a prime.

It is a super-2 number, since 2×25223319² = 1272431642751522, which contains 22 as substring.

It is a hoax number, since the sum of its digits (27) coincides with the sum of the digits of its distinct prime factors.

It is a Harshad number since it is a multiple of its sum of digits (27).

It is a plaindrome in base 15.

It is a junction number, because it is equal to n+sod(n) for n = 25223292 and 25223301.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (25223311) by changing a digit.

It is a polite number, since it can be written in 19 ways as a sum of consecutive naturals, for example, 13264 + ... + 15045.

It is an arithmetic number, because the mean of its divisors is an integer number (2055306).

Almost surely, 2^25223319 is an apocalyptic number.

25223319 is a deficient number, since it is larger than the sum of its proper divisors (15882801).

25223319 is a wasteful number, since it uses less digits than its factorization.

25223319 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 28332 (or 28323 counting only the distinct ones).

The product of its digits is 3240, while the sum is 27.

The square root of 25223319 is about 5022.2822501329. The cubic root of 25223319 is about 293.2698457929.

It can be divided in two parts, 252233 and 19, that added together give a palindrome (252252).

The spelling of 25223319 in words is "twenty-five million, two hundred twenty-three thousand, three hundred nineteen".