22210002312 has 64 divisors (see below), whose sum is σ = 56135654400. Its totient is φ = 7322019840.

The previous prime is 22210002307. The next prime is 22210002319. The reversal of 22210002312 is 21320001222.

It is a happy number.

It is a junction number, because it is equal to n+sod(n) for n = 22210002291 and 22210002300.

It is not an unprimeable number, because it can be changed into a prime (22210002319) by changing a digit.

It is a polite number, since it can be written in 15 ways as a sum of consecutive naturals, for example, 5210262 + ... + 5214522.

It is an arithmetic number, because the mean of its divisors is an integer number (877119600).

Almost surely, 2^22210002312 is an apocalyptic number.

It is an amenable number.

22210002312 is an abundant number, since it is smaller than the sum of its proper divisors (33925652088).

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

22210002312 is a wasteful number, since it uses less digits than its factorization.

22210002312 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 6606 (or 6602 counting only the distinct ones).

The product of its (nonzero) digits is 96, while the sum is 15.

Adding to 22210002312 its reverse (21320001222), we get a palindrome (43530003534).

The spelling of 22210002312 in words is "twenty-two billion, two hundred ten million, two thousand, three hundred twelve".