3321221130 has 120 divisors (see below), whose sum is σ = 9047878092. Its totient is φ = 874112256.

The previous prime is 3321221119. The next prime is 3321221131. The reversal of 3321221130 is 311221233.

It can be written as a sum of positive squares in 6 ways, for example, as 2967743529 + 353477601 = 54477^2 + 18801^2 .

It is a super-2 number, since 2×3321221130² = 22061019588716953800, which contains 22 as substring.

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

It is not an unprimeable number, because it can be changed into a prime (3321221131) by changing a digit.

It is a polite number, since it can be written in 59 ways as a sum of consecutive naturals, for example, 19197724 + ... + 19197896.

Almost surely, 2^3321221130 is an apocalyptic number.

3321221130 is a gapful number since it is divisible by the number (30) formed by its first and last digit.

It is a practical number, because each smaller number is the sum of distinct divisors of 3321221130, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (4523939046).

3321221130 is an abundant number, since it is smaller than the sum of its proper divisors (5726656962).

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

3321221130 is a wasteful number, since it uses less digits than its factorization.

3321221130 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 502 (or 320 counting only the distinct ones).

The product of its (nonzero) digits is 216, while the sum is 18.

The square root of 3321221130 is about 57630.0366996239. The cubic root of 3321221130 is about 1491.9900634121.

Adding to 3321221130 its reverse (311221233), we get a palindrome (3632442363).

The spelling of 3321221130 in words is "three billion, three hundred twenty-one million, two hundred twenty-one thousand, one hundred thirty".