22709033 has 4 divisors (see below), whose sum is σ = 22719060. Its totient is φ = 22699008.

The previous prime is 22709021. The next prime is 22709051. The reversal of 22709033 is 33090722.

It is a semiprime because it is the product of two primes, and also a brilliant number, because the two primes have the same length.

It can be written as a sum of positive squares in 2 ways, for example, as 9078169 + 13630864 = 3013^2 + 3692^2 .

It is a cyclic number.

It is not a de Polignac number, because 22709033 - 2⁴ = 22709017 is a prime.

It is a Duffinian number.

It is a junction number, because it is equal to n+sod(n) for n = 22708993 and 22709011.

It is not an unprimeable number, because it can be changed into a prime (22709003) 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 in 3 ways as a sum of consecutive naturals, for example, 173 + ... + 6741.

It is an arithmetic number, because the mean of its divisors is an integer number (5679765).

Almost surely, 2^22709033 is an apocalyptic number.

It is an amenable number.

22709033 is a deficient number, since it is larger than the sum of its proper divisors (10027).

22709033 is an equidigital number, since it uses as much as digits as its factorization.

22709033 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 10026.

The product of its (nonzero) digits is 2268, while the sum is 26.

The square root of 22709033 is about 4765.3995635204. The cubic root of 22709033 is about 283.1823710991.

Adding to 22709033 its reverse (33090722), we get a palindrome (55799755).

The spelling of 22709033 in words is "twenty-two million, seven hundred nine thousand, thirty-three".