22173573 has 8 divisors (see below), whose sum is σ = 29672608. Its totient is φ = 14728464.

The previous prime is 22173563. The next prime is 22173607. The reversal of 22173573 is 37537122.

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

It is not a de Polignac number, because 22173573 - 2¹⁸ = 21911429 is a prime.

It is a Duffinian number.

It is a self number, because there is not a number n which added to its sum of digits gives 22173573.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (22173523) 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, 12511 + ... + 14172.

It is an arithmetic number, because the mean of its divisors is an integer number (3709076).

Almost surely, 2^22173573 is an apocalyptic number.

It is an amenable number.

22173573 is a deficient number, since it is larger than the sum of its proper divisors (7499035).

22173573 is a wasteful number, since it uses less digits than its factorization.

22173573 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 26963.

The product of its digits is 8820, while the sum is 30.

The square root of 22173573 is about 4708.8823514715. The cubic root of 22173573 is about 280.9389101547.

The spelling of 22173573 in words is "twenty-two million, one hundred seventy-three thousand, five hundred seventy-three".