2222101998 has 20 divisors (see below), whose sum is σ = 4979154840. Its totient is φ = 740700612.

The previous prime is 2222101997. The next prime is 2222102021. The reversal of 2222101998 is 8991012222.

2222101998 is digitally balanced in base 2, because in such base it contains all the possibile digits an equal number of times.

It is a congruent number.

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 9 ways as a sum of consecutive naturals, for example, 6858178 + ... + 6858501.

It is an arithmetic number, because the mean of its divisors is an integer number (248957742).

Almost surely, 2^2222101998 is an apocalyptic number.

2222101998 is an abundant number, since it is smaller than the sum of its proper divisors (2757052842).

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

2222101998 is a wasteful number, since it uses less digits than its factorization.

2222101998 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 13716693 (or 13716684 counting only the distinct ones).

The product of its (nonzero) digits is 10368, while the sum is 36.

The square root of 2222101998 is about 47139.1768914138. The cubic root of 2222101998 is about 1304.9323468694.

The spelling of 2222101998 in words is "two billion, two hundred twenty-two million, one hundred one thousand, nine hundred ninety-eight".