3331322220 has 96 divisors (see below), whose sum is σ = 9663333120. Its totient is φ = 856477440.

The previous prime is 3331322219. The next prime is 3331322347. The reversal of 3331322220 is 222231333.

It is a super-2 number, since 2×3331322220² = 22195415466931456800, which contains 22 as substring.

It is an unprimeable number.

It is a polite number, since it can be written in 31 ways as a sum of consecutive naturals, for example, 2245599 + ... + 2247081.

It is an arithmetic number, because the mean of its divisors is an integer number (100659720).

Almost surely, 2^3331322220 is an apocalyptic number.

3331322220 is a gapful number since it is divisible by the number (30) formed by its first and last digit.

It is an amenable number.

It is a practical number, because each smaller number is the sum of distinct divisors of 3331322220, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (4831666560).

3331322220 is an abundant number, since it is smaller than the sum of its proper divisors (6332010900).

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

3331322220 is a wasteful number, since it uses less digits than its factorization.

3331322220 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 2815 (or 2813 counting only the distinct ones).

The product of its (nonzero) digits is 1296, while the sum is 21.

The square root of 3331322220 is about 57717.6075387745. The cubic root of 3331322220 is about 1493.5011013196.

Adding to 3331322220 its reverse (222231333), we get a palindrome (3553553553).

The spelling of 3331322220 in words is "three billion, three hundred thirty-one million, three hundred twenty-two thousand, two hundred twenty".