22140673 has 4 divisors (see below), whose sum is σ = 22150960. Its totient is φ = 22130388.

The previous prime is 22140667. The next prime is 22140691. The reversal of 22140673 is 37604122.

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 not a de Polignac number, because 22140673 - 2⁵ = 22140641 is a prime.

It is a Duffinian number.

It is not an unprimeable number, because it can be changed into a prime (22140623) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (11) of ones.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 543 + ... + 6676.

It is an arithmetic number, because the mean of its divisors is an integer number (5537740).

Almost surely, 2^22140673 is an apocalyptic number.

It is an amenable number.

22140673 is a deficient number, since it is larger than the sum of its proper divisors (10287).

22140673 is an equidigital number, since it uses as much as digits as its factorization.

22140673 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 10286.

The product of its (nonzero) digits is 2016, while the sum is 25.

The square root of 22140673 is about 4705.3876567186. The cubic root of 22140673 is about 280.7998938388.

Adding to 22140673 its reverse (37604122), we get a palindrome (59744795).

The spelling of 22140673 in words is "twenty-two million, one hundred forty thousand, six hundred seventy-three".