22726667 has 2 divisors, whose sum is σ = 22726668. Its totient is φ = 22726666.

The previous prime is 22726663. The next prime is 22726721. The reversal of 22726667 is 76662722.

It is a weak prime.

It is a cyclic number.

It is not a de Polignac number, because 22726667 - 2² = 22726663 is a prime.

It is a self number, because there is not a number n which added to its sum of digits gives 22726667.

It is not a weakly prime, because it can be changed into another prime (22726663) 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 as a sum of consecutive naturals, namely, 11363333 + 11363334.

It is an arithmetic number, because the mean of its divisors is an integer number (11363334).

Almost surely, 2^22726667 is an apocalyptic number.

22726667 is a deficient number, since it is larger than the sum of its proper divisors (1).

22726667 is an equidigital number, since it uses as much as digits as its factorization.

22726667 is an odious number, because the sum of its binary digits is odd.

The product of its digits is 84672, while the sum is 38.

The square root of 22726667 is about 4767.2494165923. The cubic root of 22726667 is about 283.2556509834.

The spelling of 22726667 in words is "twenty-two million, seven hundred twenty-six thousand, six hundred sixty-seven".