10031001222 has 64 divisors (see below), whose sum is σ = 22379763456. Its totient is φ = 2971512960.

The previous prime is 10031001209. The next prime is 10031001241. The reversal of 10031001222 is 22210013001.

It is a junction number, because it is equal to n+sod(n) for n = 10031001198 and 10031001207.

It is a congruent number.

It is an unprimeable number.

It is a polite number, since it can be written in 31 ways as a sum of consecutive naturals, for example, 984868 + ... + 995000.

It is an arithmetic number, because the mean of its divisors is an integer number (349683804).

Almost surely, 2^10031001222 is an apocalyptic number.

It is a practical number, because each smaller number is the sum of distinct divisors of 10031001222, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (11189881728).

10031001222 is an abundant number, since it is smaller than the sum of its proper divisors (12348762234).

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

10031001222 is a wasteful number, since it uses less digits than its factorization.

10031001222 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 10485.

The product of its (nonzero) digits is 24, while the sum is 12.

Adding to 10031001222 its reverse (22210013001), we get a palindrome (32241014223).

The spelling of 10031001222 in words is "ten billion, thirty-one million, one thousand, two hundred twenty-two".