22664543 has 8 divisors (see below), whose sum is σ = 24819456. Its totient is φ = 20525400.

The previous prime is 22664533. The next prime is 22664567. The reversal of 22664543 is 34546622.

It is a sphenic number, since it is the product of 3 distinct primes.

It is a cyclic number.

It is not a de Polignac number, because 22664543 - 2⁴ = 22664527 is a prime.

It is a Duffinian number.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (22664533) by changing a digit.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 821 + ... + 6782.

It is an arithmetic number, because the mean of its divisors is an integer number (3102432).

Almost surely, 2^22664543 is an apocalyptic number.

22664543 is a deficient number, since it is larger than the sum of its proper divisors (2154913).

22664543 is a wasteful number, since it uses less digits than its factorization.

22664543 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 7885.

The product of its digits is 34560, while the sum is 32.

The square root of 22664543 is about 4760.7292508606. The cubic root of 22664543 is about 282.9973196232.

The spelling of 22664543 in words is "twenty-two million, six hundred sixty-four thousand, five hundred forty-three".