10022021022222 has 128 divisors (see below), whose sum is σ = 25776129899520. Its totient is φ = 2852646405120.

The previous prime is 10022021022203. The next prime is 10022021022263. The reversal of 10022021022222 is 22222012022001.

10022021022222 is a `hidden beast` number, since 10 + 0 + 220 + 210 + 2 + 2 + 222 = 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 = 10022021022195 and 10022021022204.

It is a congruent number.

It is an unprimeable number.

It is a polite number, since it can be written in 63 ways as a sum of consecutive naturals, for example, 4092738 + ... + 6065850.

It is an arithmetic number, because the mean of its divisors is an integer number (201376014840).

Almost surely, 2^{10022021022222} is an apocalyptic number.

It is a practical number, because each smaller number is the sum of distinct divisors of 10022021022222, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (12888064949760).

10022021022222 is an abundant number, since it is smaller than the sum of its proper divisors (15754108877298).

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

10022021022222 is a wasteful number, since it uses less digits than its factorization.

10022021022222 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 1973655 (or 1973649 counting only the distinct ones).

The product of its (nonzero) digits is 256, while the sum is 18.

Adding to 10022021022222 its reverse (22222012022001), we get a palindrome (32244033044223).

The spelling of 10022021022222 in words is "ten trillion, twenty-two billion, twenty-one million, twenty-two thousand, two hundred twenty-two".