22514243 has 4 divisors (see below), whose sum is σ = 22524048. Its totient is φ = 22504440.

The previous prime is 22514231. The next prime is 22514257. The reversal of 22514243 is 34241522.

It is a happy number.

It is a semiprime because it is the product of two primes, and also a brilliant number, because the two primes have the same length.

It is a cyclic number.

It is not a de Polignac number, because 22514243 - 2⁴ = 22514227 is a prime.

It is a super-2 number, since 2×22514243² = 1013782275726098, which contains 22 as substring.

It is a Duffinian number.

It is not an unprimeable number, because it can be changed into a prime (22514143) 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, 605 + ... + 6737.

It is an arithmetic number, because the mean of its divisors is an integer number (5631012).

Almost surely, 2^22514243 is an apocalyptic number.

22514243 is a deficient number, since it is larger than the sum of its proper divisors (9805).

22514243 is an equidigital number, since it uses as much as digits as its factorization.

22514243 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 9804.

The product of its digits is 1920, while the sum is 23.

The square root of 22514243 is about 4744.9175967555. The cubic root of 22514243 is about 282.3703657709.

Adding to 22514243 its reverse (34241522), we get a palindrome (56755765).

The spelling of 22514243 in words is "twenty-two million, five hundred fourteen thousand, two hundred forty-three".