22453425 has 18 divisors (see below), whose sum is σ = 40216982. Its totient is φ = 11975040.

The previous prime is 22453423. The next prime is 22453471. The reversal of 22453425 is 52435422.

It is a happy number.

It can be written as a sum of positive squares in 3 ways, for example, as 998001 + 21455424 = 999^2 + 4632^2 .

It is not a de Polignac number, because 22453425 - 2¹ = 22453423 is a prime.

It is a Duffinian number.

It is not an unprimeable number, because it can be changed into a prime (22453423) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (13) of ones.

It is a polite number, since it can be written in 17 ways as a sum of consecutive naturals, for example, 49672 + ... + 50121.

Almost surely, 2^22453425 is an apocalyptic number.

22453425 is a gapful number since it is divisible by the number (25) formed by its first and last digit.

It is an amenable number.

22453425 is a deficient number, since it is larger than the sum of its proper divisors (17763557).

22453425 is a wasteful number, since it uses less digits than its factorization.

22453425 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 99809 (or 99801 counting only the distinct ones).

The product of its digits is 9600, while the sum is 27.

The square root of 22453425 is about 4738.5045109190. The cubic root of 22453425 is about 282.1158796434.

Adding to 22453425 its reverse (52435422), we get a palindrome (74888847).

The spelling of 22453425 in words is "twenty-two million, four hundred fifty-three thousand, four hundred twenty-five".