22251673 has 4 divisors (see below), whose sum is σ = 22628880. Its totient is φ = 21874468.

The previous prime is 22251661. The next prime is 22251709. The reversal of 22251673 is 37615222.

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 a cyclic number.

It is not a de Polignac number, because 22251673 - 2⁹ = 22251161 is a prime.

It is a Duffinian number.

It is not an unprimeable number, because it can be changed into a prime (22251653) 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, 188515 + ... + 188632.

It is an arithmetic number, because the mean of its divisors is an integer number (5657220).

Almost surely, 2^22251673 is an apocalyptic number.

It is an amenable number.

22251673 is a deficient number, since it is larger than the sum of its proper divisors (377207).

22251673 is an equidigital number, since it uses as much as digits as its factorization.

22251673 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 377206.

The product of its digits is 5040, while the sum is 28.

The square root of 22251673 is about 4717.1679003402. The cubic root of 22251673 is about 281.2683656813.

Adding to 22251673 its reverse (37615222), we get a palindrome (59866895).

It can be divided in two parts, 22 and 251673, that added together give a triangular number (251695 = T₇₀₉).

The spelling of 22251673 in words is "twenty-two million, two hundred fifty-one thousand, six hundred seventy-three".