2221030332 has 36 divisors (see below), whose sum is σ = 5685345120. Its totient is φ = 730971072.

The previous prime is 2221030319. The next prime is 2221030363. The reversal of 2221030332 is 2330301222.

It is a happy number.

It is a tau number, because it is divible by the number of its divisors (36).

It is a Harshad number since it is a multiple of its sum of digits (18).

It is a congruent number.

It is an unprimeable number.

It is a polite number, since it can be written in 11 ways as a sum of consecutive naturals, for example, 387633 + ... + 393320.

Almost surely, 2^2221030332 is an apocalyptic number.

It is an amenable number.

2221030332 is an abundant number, since it is smaller than the sum of its proper divisors (3464314788).

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

2221030332 is a wasteful number, since it uses less digits than its factorization.

2221030332 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 781042 (or 781037 counting only the distinct ones).

The product of its (nonzero) digits is 432, while the sum is 18.

The square root of 2221030332 is about 47127.8084786467. The cubic root of 2221030332 is about 1304.7225340430.

Adding to 2221030332 its reverse (2330301222), we get a palindrome (4551331554).

The spelling of 2221030332 in words is "two billion, two hundred twenty-one million, thirty thousand, three hundred thirty-two".