22272673 has 2 divisors, whose sum is σ = 22272674. Its totient is φ = 22272672.

The previous prime is 22272661. The next prime is 22272697. The reversal of 22272673 is 37627222.

It is a weak prime.

It can be written as a sum of positive squares in only one way, i.e., 21967969 + 304704 = 4687^2 + 552^2 .

It is a cyclic number.

It is not a de Polignac number, because 22272673 - 2⁵ = 22272641 is a prime.

It is not a weakly prime, because it can be changed into another prime (22272643) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (13) of ones.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 11136336 + 11136337.

It is an arithmetic number, because the mean of its divisors is an integer number (11136337).

Almost surely, 2^22272673 is an apocalyptic number.

It is an amenable number.

22272673 is a deficient number, since it is larger than the sum of its proper divisors (1).

22272673 is an equidigital number, since it uses as much as digits as its factorization.

22272673 is an odious number, because the sum of its binary digits is odd.

The product of its digits is 14112, while the sum is 31.

The square root of 22272673 is about 4719.3932872775. The cubic root of 22272673 is about 281.3568201319.

Adding to 22272673 its reverse (37627222), we get a palindrome (59899895).

It can be divided in two parts, 2227 and 2673, that added together give a square (4900 = 70²).

The spelling of 22272673 in words is "twenty-two million, two hundred seventy-two thousand, six hundred seventy-three".