22282313 has 4 divisors (see below), whose sum is σ = 22702788. Its totient is φ = 21861840.

The previous prime is 22282303. The next prime is 22282321. The reversal of 22282313 is 31328222.

It is a semiprime because it is the product of two primes.

It can be written as a sum of positive squares in 2 ways, for example, as 18088009 + 4194304 = 4253^2 + 2048^2 .

It is a cyclic number.

It is not a de Polignac number, because 22282313 - 2¹⁸ = 22020169 is a prime.

It is a Duffinian number.

It is not an unprimeable number, because it can be changed into a prime (22282303) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (7) of ones.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 210158 + ... + 210263.

It is an arithmetic number, because the mean of its divisors is an integer number (5675697).

Almost surely, 2^22282313 is an apocalyptic number.

It is an amenable number.

22282313 is a deficient number, since it is larger than the sum of its proper divisors (420475).

22282313 is an equidigital number, since it uses as much as digits as its factorization.

22282313 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 420474.

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

The square root of 22282313 is about 4720.4144945121. The cubic root of 22282313 is about 281.3974063177.

The spelling of 22282313 in words is "twenty-two million, two hundred eighty-two thousand, three hundred thirteen".