2221068852 has 72 divisors (see below), whose sum is σ = 5759994240. Its totient is φ = 721244160.

The previous prime is 2221068833. The next prime is 2221068869. The reversal of 2221068852 is 2588601222.

It is a Harshad number since it is a multiple of its sum of digits (36).

It is a congruent number.

It is an unprimeable number.

It is a polite number, since it can be written in 23 ways as a sum of consecutive naturals, for example, 665524 + ... + 668852.

It is an arithmetic number, because the mean of its divisors is an integer number (79999920).

Almost surely, 2^2221068852 is an apocalyptic number.

It is an amenable number.

It is a practical number, because each smaller number is the sum of distinct divisors of 2221068852, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (2879997120).

2221068852 is an abundant number, since it is smaller than the sum of its proper divisors (3538925388).

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

2221068852 is a wasteful number, since it uses less digits than its factorization.

2221068852 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 3813 (or 3808 counting only the distinct ones).

The product of its (nonzero) digits is 30720, while the sum is 36.

The square root of 2221068852 is about 47128.2171527844. The cubic root of 2221068852 is about 1304.7300767318.

The spelling of 2221068852 in words is "two billion, two hundred twenty-one million, sixty-eight thousand, eight hundred fifty-two".