10312220322 has 40 divisors (see below), whose sum is σ = 24323178000. Its totient is φ = 3256489656.

The previous prime is 10312220299. The next prime is 10312220323. The reversal of 10312220322 is 22302221301.

10312220322 is a `hidden beast` number, since 10 + 312 + 2 + 20 + 322 = 666.

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

It is a junction number, because it is equal to n+sod(n) for n = 10312220295 and 10312220304.

It is not an unprimeable number, because it can be changed into a prime (10312220323) by changing a digit.

It is a polite number, since it can be written in 19 ways as a sum of consecutive naturals, for example, 1672072 + ... + 1678227.

It is an arithmetic number, because the mean of its divisors is an integer number (608079450).

Almost surely, 2^10312220322 is an apocalyptic number.

10312220322 is an abundant number, since it is smaller than the sum of its proper divisors (14010957678).

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

10312220322 is a wasteful number, since it uses less digits than its factorization.

10312220322 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 3350332 (or 3350323 counting only the distinct ones).

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

Adding to 10312220322 its reverse (22302221301), we get a palindrome (32614441623).

The spelling of 10312220322 in words is "ten billion, three hundred twelve million, two hundred twenty thousand, three hundred twenty-two".