22033210 has 16 divisors (see below), whose sum is σ = 39805992. Its totient is φ = 8780800.

The previous prime is 22033181. The next prime is 22033211. The reversal of 22033210 is 1233022.

It is a happy number.

It can be written as a sum of positive squares in 4 ways, for example, as 17867529 + 4165681 = 4227^2 + 2041^2 .

It is not an unprimeable number, because it can be changed into a prime (22033211) 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 7 ways as a sum of consecutive naturals, for example, 1111 + ... + 6730.

Almost surely, 2^22033210 is an apocalyptic number.

22033210 is a deficient number, since it is larger than the sum of its proper divisors (17772782).

22033210 is a wasteful number, since it uses less digits than its factorization.

22033210 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 8129.

The product of its (nonzero) digits is 72, while the sum is 13.

The square root of 22033210 is about 4693.9546227035. The cubic root of 22033210 is about 280.3448557041.

Adding to 22033210 its reverse (1233022), we get a palindrome (23266232).

The spelling of 22033210 in words is "twenty-two million, thirty-three thousand, two hundred ten".