25224322 has 8 divisors (see below), whose sum is σ = 38048400. Its totient is φ = 12541524.

The previous prime is 25224319. The next prime is 25224323. The reversal of 25224322 is 22342252.

It is a happy number.

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

It is a junction number, because it is equal to n+sod(n) for n = 25224293 and 25224302.

It is not an unprimeable number, because it can be changed into a prime (25224323) by changing a digit.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 34872 + ... + 35587.

It is an arithmetic number, because the mean of its divisors is an integer number (4756050).

Almost surely, 2^25224322 is an apocalyptic number.

25224322 is a deficient number, since it is larger than the sum of its proper divisors (12824078).

25224322 is a wasteful number, since it uses less digits than its factorization.

25224322 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 70640.

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

The square root of 25224322 is about 5022.3821041414. The cubic root of 25224322 is about 293.2737330127.

Adding to 25224322 its reverse (22342252), we get a palindrome (47566574).

The spelling of 25224322 in words is "twenty-five million, two hundred twenty-four thousand, three hundred twenty-two".