22470325 has 6 divisors (see below), whose sum is σ = 27863234. Its totient is φ = 17976240.

The previous prime is 22470317. The next prime is 22470347. The reversal of 22470325 is 52307422.

It can be written as a sum of positive squares in 3 ways, for example, as 5750404 + 16719921 = 2398^2 + 4089^2 .

It is not a de Polignac number, because 22470325 - 2³ = 22470317 is a prime.

It is a Harshad number since it is a multiple of its sum of digits (25), and also a Moran number because the ratio is a prime number: 898813 = 22470325 / (2 + 2 + 4 + 7 + 0 + 3 + 2 + 5).

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 22470325.

It is a congruent number.

It is an unprimeable number.

It is a polite number, since it can be written in 5 ways as a sum of consecutive naturals, for example, 449382 + ... + 449431.

Almost surely, 2^22470325 is an apocalyptic number.

22470325 is a gapful number since it is divisible by the number (25) formed by its first and last digit.

It is an amenable number.

22470325 is a deficient number, since it is larger than the sum of its proper divisors (5392909).

22470325 is an equidigital number, since it uses as much as digits as its factorization.

22470325 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 898823 (or 898818 counting only the distinct ones).

The product of its (nonzero) digits is 3360, while the sum is 25.

The square root of 22470325 is about 4740.2874385421. The cubic root of 22470325 is about 282.1866418646.

Adding to 22470325 its reverse (52307422), we get a palindrome (74777747).

The spelling of 22470325 in words is "twenty-two million, four hundred seventy thousand, three hundred twenty-five".