22446859 has 2 divisors, whose sum is σ = 22446860. Its totient is φ = 22446858.

The previous prime is 22446839. The next prime is 22446877. The reversal of 22446859 is 95864422.

It is a strong prime.

It is a cyclic number.

It is a de Polignac number, because none of the positive numbers 2^k-22446859 is a prime.

It is a super-3 number, since 3×22446859³ (a number of 23 digits) contains 333 as substring. Note that it is a super-d number also for d = 2.

It is a Chen prime.

It is not a weakly prime, because it can be changed into another prime (22446839) 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, 11223429 + 11223430.

It is an arithmetic number, because the mean of its divisors is an integer number (11223430).

Almost surely, 2^22446859 is an apocalyptic number.

22446859 is a deficient number, since it is larger than the sum of its proper divisors (1).

22446859 is an equidigital number, since it uses as much as digits as its factorization.

22446859 is an odious number, because the sum of its binary digits is odd.

The product of its digits is 138240, while the sum is 40.

The square root of 22446859 is about 4737.8116256348. The cubic root of 22446859 is about 282.0883774775.

The spelling of 22446859 in words is "twenty-two million, four hundred forty-six thousand, eight hundred fifty-nine".