22726223 has 8 divisors (see below), whose sum is σ = 25762800. Its totient is φ = 19873728.

The previous prime is 22726219. The next prime is 22726237. The reversal of 22726223 is 32262722.

It is a sphenic number, since it is the product of 3 distinct primes.

It is a cyclic number.

It is not a de Polignac number, because 22726223 - 2² = 22726219 is a prime.

It is a Duffinian number.

It is a junction number, because it is equal to n+sod(n) for n = 22726192 and 22726201.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (22726283) by changing a digit.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 45758 + ... + 46251.

It is an arithmetic number, because the mean of its divisors is an integer number (3220350).

Almost surely, 2^22726223 is an apocalyptic number.

22726223 is a deficient number, since it is larger than the sum of its proper divisors (3036577).

22726223 is a wasteful number, since it uses less digits than its factorization.

22726223 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 92041.

The product of its digits is 4032, while the sum is 26.

The square root of 22726223 is about 4767.2028486315. The cubic root of 22726223 is about 283.2538063615.

Adding to 22726223 its reverse (32262722), we get a palindrome (54988945).

The spelling of 22726223 in words is "twenty-two million, seven hundred twenty-six thousand, two hundred twenty-three".