22753643 has 4 divisors (see below), whose sum is σ = 24822168. Its totient is φ = 20685120.

The previous prime is 22753637. The next prime is 22753649. The reversal of 22753643 is 34635722.

It is a semiprime because it is the product of two primes.

It is an interprime number because it is at equal distance from previous prime (22753637) and next prime (22753649).

It is a cyclic number.

It is not a de Polignac number, because 22753643 - 2¹⁰ = 22752619 is a prime.

It is a Duffinian number.

It is not an unprimeable number, because it can be changed into a prime (22753649) 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, 1034246 + ... + 1034267.

It is an arithmetic number, because the mean of its divisors is an integer number (6205542).

Almost surely, 2^22753643 is an apocalyptic number.

22753643 is a deficient number, since it is larger than the sum of its proper divisors (2068525).

22753643 is a wasteful number, since it uses less digits than its factorization.

22753643 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 2068524.

The product of its digits is 30240, while the sum is 32.

The square root of 22753643 is about 4770.0778819638. The cubic root of 22753643 is about 283.3676791890.

The spelling of 22753643 in words is "twenty-two million, seven hundred fifty-three thousand, six hundred forty-three".