22726773 has 24 divisors (see below), whose sum is σ = 35170200. Its totient is φ = 14091264.

The previous prime is 22726763. The next prime is 22726789. The reversal of 22726773 is 37762722.

It can be written as a sum of positive squares in 4 ways, for example, as 3305124 + 19421649 = 1818^2 + 4407^2 .

It is not a de Polignac number, because 22726773 - 2²⁰ = 21678197 is a prime.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (22726763) 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 in 23 ways as a sum of consecutive naturals, for example, 12783 + ... + 14451.

It is an arithmetic number, because the mean of its divisors is an integer number (1465425).

Almost surely, 2^22726773 is an apocalyptic number.

It is an amenable number.

22726773 is a deficient number, since it is larger than the sum of its proper divisors (12443427).

22726773 is a wasteful number, since it uses less digits than its factorization.

22726773 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 1781 (or 1778 counting only the distinct ones).

The product of its digits is 49392, while the sum is 36.

The square root of 22726773 is about 4767.2605341013. The cubic root of 22726773 is about 283.2560913626.

It can be divided in two parts, 2272 and 6773, that added together give a triangular number (9045 = T₁₃₄).

The spelling of 22726773 in words is "twenty-two million, seven hundred twenty-six thousand, seven hundred seventy-three".