22210320232 has 8 divisors (see below), whose sum is σ = 41644350450. Its totient is φ = 11105160112.

The previous prime is 22210320221. The next prime is 22210320247. The reversal of 22210320232 is 23202301222.

It can be written as a sum of positive squares in only one way, i.e., 22119423076 + 90897156 = 148726^2 + 9534^2 .

It is a tau number, because it is divible by the number of its divisors (8).

It is an unprimeable number.

It is a pernicious number, because its binary representation contains a prime number (19) of ones.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 1388145007 + ... + 1388145022.

Almost surely, 2^22210320232 is an apocalyptic number.

It is an amenable number.

22210320232 is a deficient number, since it is larger than the sum of its proper divisors (19434030218).

22210320232 is a wasteful number, since it uses less digits than its factorization.

22210320232 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 2776290035 (or 2776290031 counting only the distinct ones).

The product of its (nonzero) digits is 576, while the sum is 19.

Adding to 22210320232 its reverse (23202301222), we get a palindrome (45412621454).

The spelling of 22210320232 in words is "twenty-two billion, two hundred ten million, three hundred twenty thousand, two hundred thirty-two".