22726156 has 12 divisors (see below), whose sum is σ = 39914280. Its totient is φ = 11322080.

The previous prime is 22726133. The next prime is 22726159. The reversal of 22726156 is 65162722.

It is not an unprimeable number, because it can be changed into a prime (22726159) 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, 8986 + ... + 11233.

It is an arithmetic number, because the mean of its divisors is an integer number (3326190).

Almost surely, 2^22726156 is an apocalyptic number.

It is an amenable number.

22726156 is a deficient number, since it is larger than the sum of its proper divisors (17188124).

22726156 is a wasteful number, since it uses less digits than its factorization.

22726156 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 20504 (or 20502 counting only the distinct ones).

The product of its digits is 10080, while the sum is 31.

The square root of 22726156 is about 4767.1958214447. The cubic root of 22726156 is about 283.2535280043.

Adding to 22726156 its reverse (65162722), we get a palindrome (87888878).

The spelling of 22726156 in words is "twenty-two million, seven hundred twenty-six thousand, one hundred fifty-six".