22066726 has 16 divisors (see below), whose sum is σ = 37086480. Its totient is φ = 9758880.

The previous prime is 22066721. The next prime is 22066739. The reversal of 22066726 is 62766022.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (22066721) 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 7 ways as a sum of consecutive naturals, for example, 12741 + ... + 14368.

It is an arithmetic number, because the mean of its divisors is an integer number (2317905).

Almost surely, 2^22066726 is an apocalyptic number.

22066726 is a deficient number, since it is larger than the sum of its proper divisors (15019754).

22066726 is a wasteful number, since it uses less digits than its factorization.

22066726 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 27159.

The product of its (nonzero) digits is 12096, while the sum is 31.

The square root of 22066726 is about 4697.5233900429. The cubic root of 22066726 is about 280.4869333212.

The spelling of 22066726 in words is "twenty-two million, sixty-six thousand, seven hundred twenty-six".