22245325 has 12 divisors (see below), whose sum is σ = 28330900. Its totient is φ = 17314560.

The previous prime is 22245323. The next prime is 22245331. The reversal of 22245325 is 52354222.

It is a happy number.

It can be written as a sum of positive squares in 6 ways, for example, as 145924 + 22099401 = 382^2 + 4701^2 .

It is not a de Polignac number, because 22245325 - 2¹ = 22245323 is a prime.

It is a Harshad number since it is a multiple of its sum of digits (25).

It is a self number, because there is not a number n which added to its sum of digits gives 22245325.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (22245323) 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, 11100 + ... + 12949.

Almost surely, 2^22245325 is an apocalyptic number.

22245325 is a gapful number since it is divisible by the number (25) formed by its first and last digit.

It is an amenable number.

22245325 is a deficient number, since it is larger than the sum of its proper divisors (6085575).

22245325 is a wasteful number, since it uses less digits than its factorization.

22245325 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 24096 (or 24091 counting only the distinct ones).

The product of its digits is 4800, while the sum is 25.

The square root of 22245325 is about 4716.4949909864. The cubic root of 22245325 is about 281.2416162110.

Adding to 22245325 its reverse (52354222), we get a palindrome (74599547).

The spelling of 22245325 in words is "twenty-two million, two hundred forty-five thousand, three hundred twenty-five".