3312213444 has 72 divisors (see below), whose sum is σ = 8711347008. Its totient is φ = 1100420640.

The previous prime is 3312213391. The next prime is 3312213557. The reversal of 3312213444 is 4443122133.

3312213444 is a `hidden beast` number, since 3 + 3 + 1 + 2 + 213 + 444 = 666.

3312213444 is digitally balanced in base 2, because in such base it contains all the possibile digits an equal number of times.

It is a super-2 number, since 2×3312213444² = 21941515797228682272, which contains 22 as substring.

It is a Harshad number since it is a multiple of its sum of digits (27).

It is a nude number because it is divisible by every one of its digits.

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, 296814 + ... + 307770.

Almost surely, 2^3312213444 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 3312213444, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (4355673504).

3312213444 is an abundant number, since it is smaller than the sum of its proper divisors (5399133564).

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

3312213444 is a wasteful number, since it uses less digits than its factorization.

3312213444 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 11287 (or 11273 counting only the distinct ones).

The product of its digits is 6912, while the sum is 27.

The square root of 3312213444 is about 57551.8326728176. The cubic root of 3312213444 is about 1490.6400031242.

Adding to 3312213444 its reverse (4443122133), we get a palindrome (7755335577).

The spelling of 3312213444 in words is "three billion, three hundred twelve million, two hundred thirteen thousand, four hundred forty-four".