22663573 has 8 divisors (see below), whose sum is σ = 24028160. Its totient is φ = 21338640.

The previous prime is 22663549. The next prime is 22663603. The reversal of 22663573 is 37536622.

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

It is not a de Polignac number, because 22663573 - 2⁹ = 22663061 is a prime.

It is a super-2 number, since 2×22663573² = 1027275082252658, which contains 22 as substring.

It is a Duffinian number.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (22663373) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (13) of ones.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 8733 + ... + 11026.

It is an arithmetic number, because the mean of its divisors is an integer number (3003520).

Almost surely, 2^22663573 is an apocalyptic number.

It is an amenable number.

22663573 is a deficient number, since it is larger than the sum of its proper divisors (1364587).

22663573 is a wasteful number, since it uses less digits than its factorization.

22663573 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 19827.

The product of its digits is 45360, while the sum is 34.

The square root of 22663573 is about 4760.6273746220. The cubic root of 22663573 is about 282.9932823138.

The spelling of 22663573 in words is "twenty-two million, six hundred sixty-three thousand, five hundred seventy-three".