22733000173 has 4 divisors (see below), whose sum is σ = 24481692508. Its totient is φ = 20984307840.

The previous prime is 22733000159. The next prime is 22733000233. The reversal of 22733000173 is 37100033722.

It is the 61554-th star number.

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

It can be written as a sum of positive squares in 2 ways, for example, as 11820690729 + 10912309444 = 108723^2 + 104462^2 .

It is a cyclic number.

It is not a de Polignac number, because 22733000173 - 2²⁹ = 22196129261 is a prime.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (22733000573) 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, 874346148 + ... + 874346173.

It is an arithmetic number, because the mean of its divisors is an integer number (6120423127).

Almost surely, 2^22733000173 is an apocalyptic number.

It is an amenable number.

22733000173 is a deficient number, since it is larger than the sum of its proper divisors (1748692335).

22733000173 is a wasteful number, since it uses less digits than its factorization.

22733000173 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 1748692334.

The product of its (nonzero) digits is 5292, while the sum is 28.

Adding to 22733000173 its reverse (37100033722), we get a palindrome (59833033895).

The spelling of 22733000173 in words is "twenty-two billion, seven hundred thirty-three million, one hundred seventy-three", and thus it is an aban number.