22234013 has 4 divisors (see below), whose sum is σ = 22776348. Its totient is φ = 21691680.

The previous prime is 22234007. The next prime is 22234019. The reversal of 22234013 is 31043222.

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

It is an interprime number because it is at equal distance from previous prime (22234007) and next prime (22234019).

It can be written as a sum of positive squares in 2 ways, for example, as 2181529 + 20052484 = 1477^2 + 4478^2 .

It is a cyclic number.

It is not a de Polignac number, because 22234013 - 2⁶ = 22233949 is a prime.

It is a Duffinian number.

It is a junction number, because it is equal to n+sod(n) for n = 22233982 and 22234000.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (22234019) 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 3 ways as a sum of consecutive naturals, for example, 271106 + ... + 271187.

It is an arithmetic number, because the mean of its divisors is an integer number (5694087).

Almost surely, 2^22234013 is an apocalyptic number.

It is an amenable number.

22234013 is a deficient number, since it is larger than the sum of its proper divisors (542335).

22234013 is an equidigital number, since it uses as much as digits as its factorization.

22234013 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 542334.

The product of its (nonzero) digits is 288, while the sum is 17.

The square root of 22234013 is about 4715.2956429051. The cubic root of 22234013 is about 281.1939366113.

Adding to 22234013 its reverse (31043222), we get a palindrome (53277235).

The spelling of 22234013 in words is "twenty-two million, two hundred thirty-four thousand, thirteen".