22672317 has 4 divisors (see below), whose sum is σ = 30229760. Its totient is φ = 15114876.

The previous prime is 22672277. The next prime is 22672333. The reversal of 22672317 is 71327622.

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.

It is not a de Polignac number, because 22672317 - 2¹⁵ = 22639549 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 (22672417) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (17) of ones.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 3778717 + ... + 3778722.

It is an arithmetic number, because the mean of its divisors is an integer number (7557440).

Almost surely, 2^22672317 is an apocalyptic number.

It is an amenable number.

22672317 is a deficient number, since it is larger than the sum of its proper divisors (7557443).

22672317 is an equidigital number, since it uses as much as digits as its factorization.

22672317 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 7557442.

The product of its digits is 7056, while the sum is 30.

The square root of 22672317 is about 4761.5456524116. The cubic root of 22672317 is about 283.0296722083.

Adding to 22672317 its reverse (71327622), we get a palindrome (93999939).

The spelling of 22672317 in words is "twenty-two million, six hundred seventy-two thousand, three hundred seventeen".