2221852188 has 24 divisors (see below), whose sum is σ = 5194521360. Its totient is φ = 739160320.

The previous prime is 2221852177. The next prime is 2221852207. The reversal of 2221852188 is 8812581222.

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, 175773 + ... + 187988.

It is an arithmetic number, because the mean of its divisors is an integer number (216438390).

Almost surely, 2^2221852188 is an apocalyptic number.

It is an amenable number.

2221852188 is an abundant number, since it is smaller than the sum of its proper divisors (2972669172).

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

2221852188 is a wasteful number, since it uses less digits than its factorization.

2221852188 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 364277 (or 364275 counting only the distinct ones).

The product of its digits is 40960, while the sum is 39.

The square root of 2221852188 is about 47136.5271100874. The cubic root of 2221852188 is about 1304.8834446188.

The spelling of 2221852188 in words is "two billion, two hundred twenty-one million, eight hundred fifty-two thousand, one hundred eighty-eight".