22242453 has 4 divisors (see below), whose sum is σ = 29656608. Its totient is φ = 14828300.

The previous prime is 22242433. The next prime is 22242461. The reversal of 22242453 is 35424222.

It is a happy number.

It is a semiprime because it is the product of two primes, and also a Blum integer, because the two primes are equal to 3 mod 4.

It is a cyclic number.

It is not a de Polignac number, because 22242453 - 2⁹ = 22241941 is a prime.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (22242433) by changing a digit.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 3707073 + ... + 3707078.

It is an arithmetic number, because the mean of its divisors is an integer number (7414152).

Almost surely, 2^22242453 is an apocalyptic number.

It is an amenable number.

22242453 is a deficient number, since it is larger than the sum of its proper divisors (7414155).

22242453 is an equidigital number, since it uses as much as digits as its factorization.

22242453 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 7414154.

The product of its digits is 3840, while the sum is 24.

The square root of 22242453 is about 4716.1905177802. The cubic root of 22242453 is about 281.2295123842.

Adding to 22242453 its reverse (35424222), we get a palindrome (57666675).

The spelling of 22242453 in words is "twenty-two million, two hundred forty-two thousand, four hundred fifty-three".