22240653 has 4 divisors (see below), whose sum is σ = 29654208. Its totient is φ = 14827100.

The previous prime is 22240649. The next prime is 22240657. The reversal of 22240653 is 35604222.

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 an interprime number because it is at equal distance from previous prime (22240649) and next prime (22240657).

It is a cyclic number.

It is not a de Polignac number, because 22240653 - 2² = 22240649 is a prime.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (22240657) 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, 3706773 + ... + 3706778.

It is an arithmetic number, because the mean of its divisors is an integer number (7413552).

Almost surely, 2^22240653 is an apocalyptic number.

It is an amenable number.

22240653 is a deficient number, since it is larger than the sum of its proper divisors (7413555).

22240653 is an equidigital number, since it uses as much as digits as its factorization.

22240653 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 7413554.

The product of its (nonzero) digits is 2880, while the sum is 24.

The square root of 22240653 is about 4715.9996819338. Note that the first 3 decimals coincide. The cubic root of 22240653 is about 281.2219258891.

Adding to 22240653 its reverse (35604222), we get a palindrome (57844875).

The spelling of 22240653 in words is "twenty-two million, two hundred forty thousand, six hundred fifty-three".