22343225 has 12 divisors (see below), whose sum is σ = 27880656. Its totient is φ = 17761680.

The previous prime is 22343213. The next prime is 22343231. The reversal of 22343225 is 52234322.

It is not a de Polignac number, because 22343225 - 2⁶ = 22343161 is a prime.

It is a Duffinian number.

It is a Curzon number.

It is a self number, because there is not a number n which added to its sum of digits gives 22343225.

It is an unprimeable number.

It is a polite number, since it can be written in 11 ways as a sum of consecutive naturals, for example, 1334 + ... + 6816.

It is an arithmetic number, because the mean of its divisors is an integer number (2323388).

Almost surely, 2^22343225 is an apocalyptic number.

22343225 is a gapful number since it is divisible by the number (25) formed by its first and last digit.

It is an amenable number.

22343225 is a deficient number, since it is larger than the sum of its proper divisors (5537431).

22343225 is a wasteful number, since it uses less digits than its factorization.

22343225 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 5656 (or 5651 counting only the distinct ones).

The product of its digits is 2880, while the sum is 23.

The square root of 22343225 is about 4726.8620669531. The cubic root of 22343225 is about 281.6535868409.

Adding to 22343225 its reverse (52234322), we get a palindrome (74577547).

The spelling of 22343225 in words is "twenty-two million, three hundred forty-three thousand, two hundred twenty-five".