2202111988 has 24 divisors (see below), whose sum is σ = 3923287200. Its totient is φ = 1081213728.

The previous prime is 2202111971. The next prime is 2202111991. The reversal of 2202111988 is 8891112022.

It is a congruent number.

It is an unprimeable number.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 235906 + ... + 245062.

It is an arithmetic number, because the mean of its divisors is an integer number (163470300).

Almost surely, 2^2202111988 is an apocalyptic number.

It is an amenable number.

2202111988 is a deficient number, since it is larger than the sum of its proper divisors (1721175212).

2202111988 is a wasteful number, since it uses less digits than its factorization.

2202111988 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 10239 (or 10237 counting only the distinct ones).

The product of its (nonzero) digits is 4608, while the sum is 34.

The square root of 2202111988 is about 46926.6660652555. Note that the first 3 decimals coincide. The cubic root of 2202111988 is about 1301.0075006416.

Adding to 2202111988 its sum of digits (34), we get a palindrome (2202112022).

The spelling of 2202111988 in words is "two billion, two hundred two million, one hundred eleven thousand, nine hundred eighty-eight".