2222101992 has 64 divisors (see below), whose sum is σ = 6074976960. Its totient is φ = 671731200.

The previous prime is 2222101951. The next prime is 2222101993. The reversal of 2222101992 is 2991012222.

It is not an unprimeable number, because it can be changed into a prime (2222101993) 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, 101148 + ... + 121140.

It is an arithmetic number, because the mean of its divisors is an integer number (94921515).

Almost surely, 2^2222101992 is an apocalyptic number.

2222101992 is a gapful number since it is divisible by the number (22) formed by its first and last digit.

It is an amenable number.

It is a practical number, because each smaller number is the sum of distinct divisors of 2222101992, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (3037488480).

2222101992 is an abundant number, since it is smaller than the sum of its proper divisors (3852874968).

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

2222101992 is a wasteful number, since it uses less digits than its factorization.

2222101992 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 20434 (or 20430 counting only the distinct ones).

The product of its (nonzero) digits is 2592, while the sum is 30.

The square root of 2222101992 is about 47139.1768277725. The cubic root of 2222101992 is about 1304.9323456949.

It can be divided in two parts, 22221019 and 92, that added together give a triangular number (22221111 = T₆₆₆₆).

The spelling of 2222101992 in words is "two billion, two hundred twenty-two million, one hundred one thousand, nine hundred ninety-two".