10221002022 has 96 divisors (see below), whose sum is σ = 25971162624. Its totient is φ = 2651745600.

The previous prime is 10221001957. The next prime is 10221002081. The reversal of 10221002022 is 22020012201.

It is a junction number, because it is equal to n+sod(n) for n = 10221001989 and 10221002007.

It is a congruent number.

It is an unprimeable number.

It is a polite number, since it can be written in 47 ways as a sum of consecutive naturals, for example, 4600872 + ... + 4603092.

It is an arithmetic number, because the mean of its divisors is an integer number (270532944).

Almost surely, 2^10221002022 is an apocalyptic number.

It is a practical number, because each smaller number is the sum of distinct divisors of 10221002022, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (12985581312).

10221002022 is an abundant number, since it is smaller than the sum of its proper divisors (15750160602).

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

10221002022 is a wasteful number, since it uses less digits than its factorization.

10221002022 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 3674 (or 3667 counting only the distinct ones).

The product of its (nonzero) digits is 32, while the sum is 12.

Adding to 10221002022 its reverse (22020012201), we get a palindrome (32241014223).

The spelling of 10221002022 in words is "ten billion, two hundred twenty-one million, two thousand, twenty-two".