22030345 has 4 divisors (see below), whose sum is σ = 26436420. Its totient is φ = 17624272.

The previous prime is 22030331. The next prime is 22030369. The reversal of 22030345 is 54303022.

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 6538249 + 15492096 = 2557^2 + 3936^2 .

It is a cyclic number.

It is not a de Polignac number, because 22030345 - 2¹¹ = 22028297 is a prime.

It is a super-2 number, since 2×22030345² = 970672201638050, which contains 22 as substring.

It is an unprimeable number.

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, 2203030 + ... + 2203039.

It is an arithmetic number, because the mean of its divisors is an integer number (6609105).

Almost surely, 2^22030345 is an apocalyptic number.

It is an amenable number.

22030345 is a deficient number, since it is larger than the sum of its proper divisors (4406075).

22030345 is an equidigital number, since it uses as much as digits as its factorization.

22030345 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 4406074.

The product of its (nonzero) digits is 720, while the sum is 19.

The square root of 22030345 is about 4693.6494330105. The cubic root of 22030345 is about 280.3327040048.

Adding to 22030345 its reverse (54303022), we get a palindrome (76333367).

The spelling of 22030345 in words is "twenty-two million, thirty thousand, three hundred forty-five".