25223404 has 12 divisors (see below), whose sum is σ = 44188704. Its totient is φ = 12598064.

The previous prime is 25223399. The next prime is 25223411. The reversal of 25223404 is 40432252.

It is an unprimeable number.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 1554 + ... + 7270.

It is an arithmetic number, because the mean of its divisors is an integer number (3682392).

Almost surely, 2^25223404 is an apocalyptic number.

It is an amenable number.

25223404 is a deficient number, since it is larger than the sum of its proper divisors (18965300).

25223404 is a wasteful number, since it uses less digits than its factorization.

25223404 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 6824 (or 6822 counting only the distinct ones).

The product of its (nonzero) digits is 1920, while the sum is 22.

The square root of 25223404 is about 5022.2907124140. The cubic root of 25223404 is about 293.2701752223.

Adding to 25223404 its reverse (40432252), we get a palindrome (65655656).

The spelling of 25223404 in words is "twenty-five million, two hundred twenty-three thousand, four hundred four".