22032973 has 4 divisors (see below), whose sum is σ = 22044960. Its totient is φ = 22020988.

The previous prime is 22032947. The next prime is 22032977. The reversal of 22032973 is 37923022.

It is a semiprime because it is the product of two primes, and also a Blum integer, because the two primes are equal to 3 mod 4, and also a brilliant number, because the two primes have the same length.

It is a cyclic number.

It is a de Polignac number, because none of the positive numbers 2^k-22032973 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 (22032977) 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, 2593 + ... + 7126.

It is an arithmetic number, because the mean of its divisors is an integer number (5511240).

Almost surely, 2^22032973 is an apocalyptic number.

It is an amenable number.

22032973 is a deficient number, since it is larger than the sum of its proper divisors (11987).

22032973 is an equidigital number, since it uses as much as digits as its factorization.

22032973 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 11986.

The product of its (nonzero) digits is 4536, while the sum is 28.

The square root of 22032973 is about 4693.9293773980. The cubic root of 22032973 is about 280.3438505250.

Adding to 22032973 its reverse (37923022), we get a palindrome (59955995).

It can be divided in two parts, 22032 and 973, that added together give a triangular number (23005 = T₂₁₄).

The spelling of 22032973 in words is "twenty-two million, thirty-two thousand, nine hundred seventy-three".