22230693 has 10 divisors (see below), whose sum is σ = 33208934. Its totient is φ = 14820408.

The previous prime is 22230683. The next prime is 22230701. The reversal of 22230693 is 39603222.

It can be written as a sum of positive squares in only one way, i.e., 17288964 + 4941729 = 4158^2 + 2223^2 .

It is not a de Polignac number, because 22230693 - 2⁵ = 22230661 is a prime.

It is a super-2 number, since 2×22230693² = 988407422520498, which contains 22 as substring.

It is a Harshad number since it is a multiple of its sum of digits (27).

It is a Duffinian number.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (22230623) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (13) of ones.

It is a polite number, since it can be written in 9 ways as a sum of consecutive naturals, for example, 137146 + ... + 137307.

Almost surely, 2^22230693 is an apocalyptic number.

It is an amenable number.

22230693 is a deficient number, since it is larger than the sum of its proper divisors (10978241).

22230693 is an equidigital number, since it uses as much as digits as its factorization.

22230693 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 274465 (or 274456 counting only the distinct ones).

The product of its (nonzero) digits is 3888, while the sum is 27.

The square root of 22230693 is about 4714.9435839679. The cubic root of 22230693 is about 281.1799398826.

The spelling of 22230693 in words is "twenty-two million, two hundred thirty thousand, six hundred ninety-three".