22320806 has 16 divisors (see below), whose sum is σ = 34777728. Its totient is φ = 10732800.

The previous prime is 22320803. The next prime is 22320829. The reversal of 22320806 is 60802322.

It is a super-3 number, since 3×22320806³ (a number of 23 digits) contains 333 as substring.

It is a Curzon number.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (22320803) 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, 9686 + ... + 11766.

It is an arithmetic number, because the mean of its divisors is an integer number (2173608).

Almost surely, 2^22320806 is an apocalyptic number.

22320806 is a deficient number, since it is larger than the sum of its proper divisors (12456922).

22320806 is a wasteful number, since it uses less digits than its factorization.

22320806 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 2287.

The product of its (nonzero) digits is 1152, while the sum is 23.

The square root of 22320806 is about 4724.4900253890. The cubic root of 22320806 is about 281.5593523862.

The spelling of 22320806 in words is "twenty-two million, three hundred twenty thousand, eight hundred six".