22351325 has 12 divisors (see below), whose sum is σ = 27789888. Its totient is φ = 17833200.

The previous prime is 22351321. The next prime is 22351327. The reversal of 22351325 is 52315322.

It is not a de Polignac number, because 22351325 - 2² = 22351321 is a prime.

It is a Duffinian number.

It is a self number, because there is not a number n which added to its sum of digits gives 22351325.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (22351321) by changing a digit.

It is a polite number, since it can be written in 11 ways as a sum of consecutive naturals, for example, 10610 + ... + 12540.

It is an arithmetic number, because the mean of its divisors is an integer number (2315824).

Almost surely, 2^22351325 is an apocalyptic number.

22351325 is a gapful number since it is divisible by the number (25) formed by its first and last digit.

It is an amenable number.

22351325 is a deficient number, since it is larger than the sum of its proper divisors (5438563).

22351325 is a wasteful number, since it uses less digits than its factorization.

22351325 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 2404 (or 2399 counting only the distinct ones).

The product of its digits is 1800, while the sum is 23.

The square root of 22351325 is about 4727.7187945139. The cubic root of 22351325 is about 281.6876183116.

Adding to 22351325 its reverse (52315322), we get a palindrome (74666647).

The spelling of 22351325 in words is "twenty-two million, three hundred fifty-one thousand, three hundred twenty-five".