22488453 has 24 divisors (see below), whose sum is σ = 35474712. Its totient is φ = 13644288.

The previous prime is 22488449. The next prime is 22488463. The reversal of 22488453 is 35488422.

It can be written as a sum of positive squares in 4 ways, for example, as 49284 + 22439169 = 222^2 + 4737^2 .

It is not a de Polignac number, because 22488453 - 2² = 22488449 is a prime.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (22488463) by changing a digit.

It is a polite number, since it can be written in 23 ways as a sum of consecutive naturals, for example, 7225 + ... + 9857.

It is an arithmetic number, because the mean of its divisors is an integer number (1478113).

Almost surely, 2^22488453 is an apocalyptic number.

It is an amenable number.

22488453 is a deficient number, since it is larger than the sum of its proper divisors (12986259).

22488453 is a wasteful number, since it uses less digits than its factorization.

22488453 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 2725 (or 2722 counting only the distinct ones).

The product of its digits is 61440, while the sum is 36.

The square root of 22488453 is about 4742.1991733794. The cubic root of 22488453 is about 282.2625064315.

It can be divided in two parts, 2248 and 8453, that added together give a palindrome (10701).

The spelling of 22488453 in words is "twenty-two million, four hundred eighty-eight thousand, four hundred fifty-three".