22030810 has 16 divisors (see below), whose sum is σ = 41988456. Its totient is φ = 8293888.

The previous prime is 22030787. The next prime is 22030837. The reversal of 22030810 is 1803022.

It is a happy number.

It can be written as a sum of positive squares in 4 ways, for example, as 17464041 + 4566769 = 4179^2 + 2137^2 .

It is a super-2 number, since 2×22030810² = 970713178512200, which contains 22 as substring.

It is an unprimeable number.

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 7 ways as a sum of consecutive naturals, for example, 64627 + ... + 64966.

Almost surely, 2^22030810 is an apocalyptic number.

22030810 is a deficient number, since it is larger than the sum of its proper divisors (19957646).

22030810 is a wasteful number, since it uses less digits than its factorization.

22030810 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 129617.

The product of its (nonzero) digits is 96, while the sum is 16.

The square root of 22030810 is about 4693.6989677652. The cubic root of 22030810 is about 280.3346763418.

Adding to 22030810 its reverse (1803022), we get a palindrome (23833832).

The spelling of 22030810 in words is "twenty-two million, thirty thousand, eight hundred ten".