22726651 has 2 divisors, whose sum is σ = 22726652. Its totient is φ = 22726650.

The previous prime is 22726643. The next prime is 22726657. The reversal of 22726651 is 15662722.

It is a strong prime.

It is a cyclic number.

It is not a de Polignac number, because 22726651 - 2³ = 22726643 is a prime.

It is not a weakly prime, because it can be changed into another prime (22726657) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (17) of ones.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 11363325 + 11363326.

It is an arithmetic number, because the mean of its divisors is an integer number (11363326).

Almost surely, 2^22726651 is an apocalyptic number.

22726651 is a deficient number, since it is larger than the sum of its proper divisors (1).

22726651 is an equidigital number, since it uses as much as digits as its factorization.

22726651 is an odious number, because the sum of its binary digits is odd.

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

The square root of 22726651 is about 4767.2477384755. The cubic root of 22726651 is about 283.2555845110.

The spelling of 22726651 in words is "twenty-two million, seven hundred twenty-six thousand, six hundred fifty-one".