22213232010 has 24 divisors (see below), whose sum is σ = 57754403460. Its totient is φ = 5923528512.

The previous prime is 22213232003. The next prime is 22213232017. The reversal of 22213232010 is 1023231222.

It is an interprime number because it is at equal distance from previous prime (22213232003) and next prime (22213232017).

It can be written as a sum of positive squares in 2 ways, for example, as 19466109441 + 2747122569 = 139521^2 + 52413^2 .

It is a Harshad number since it is a multiple of its sum of digits (18).

It is not an unprimeable number, because it can be changed into a prime (22213232017) by changing a digit.

It is a polite number, since it can be written in 11 ways as a sum of consecutive naturals, for example, 123406755 + ... + 123406934.

Almost surely, 2^22213232010 is an apocalyptic number.

22213232010 is an abundant number, since it is smaller than the sum of its proper divisors (35541171450).

It is a pseudoperfect number, because it is the sum of a subset of its proper divisors.

22213232010 is a wasteful number, since it uses less digits than its factorization.

22213232010 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 246813702 (or 246813699 counting only the distinct ones).

The product of its (nonzero) digits is 288, while the sum is 18.

Adding to 22213232010 its reverse (1023231222), we get a palindrome (23236463232).

The spelling of 22213232010 in words is "twenty-two billion, two hundred thirteen million, two hundred thirty-two thousand, ten".