22452453 has 12 divisors (see below), whose sum is σ = 32963788. Its totient is φ = 14722560.

The previous prime is 22452449. The next prime is 22452473. The reversal of 22452453 is 35425422.

It is a happy number.

It can be written as a sum of positive squares in 2 ways, for example, as 9253764 + 13198689 = 3042^2 + 3633^2 .

It is not a de Polignac number, because 22452453 - 2² = 22452449 is a prime.

It is a super-2 number, since 2×22452453² = 1008225291434418, which contains 22 as substring.

It is a Duffinian number.

It is a Curzon number.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (22452403) 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 11 ways as a sum of consecutive naturals, for example, 19900 + ... + 20997.

Almost surely, 2^22452453 is an apocalyptic number.

It is an amenable number.

22452453 is a deficient number, since it is larger than the sum of its proper divisors (10511335).

22452453 is a wasteful number, since it uses less digits than its factorization.

22452453 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 40964 (or 40961 counting only the distinct ones).

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

The square root of 22452453 is about 4738.4019458041. The cubic root of 22452453 is about 282.1118086892. Note that the first 3 decimals are identical.

Adding to 22452453 its reverse (35425422), we get a palindrome (57877875).

The spelling of 22452453 in words is "twenty-two million, four hundred fifty-two thousand, four hundred fifty-three".