3321221244 has 48 divisors (see below), whose sum is σ = 8573112576. Its totient is φ = 992252800.

The previous prime is 3321221243. The next prime is 3321221273. The reversal of 3321221244 is 4421221233.

It is a happy number.

It is a super-2 number, since 2×3321221244² = 22061021103193815072, which contains 22 as substring.

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

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (3321221243) by changing a digit.

It is a polite number, since it can be written in 15 ways as a sum of consecutive naturals, for example, 167817 + ... + 186560.

It is an arithmetic number, because the mean of its divisors is an integer number (178606512).

Almost surely, 2^3321221244 is an apocalyptic number.

It is an amenable number.

3321221244 is an abundant number, since it is smaller than the sum of its proper divisors (5251891332).

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

3321221244 is a wasteful number, since it uses less digits than its factorization.

3321221244 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 354466 (or 354464 counting only the distinct ones).

The product of its digits is 2304, while the sum is 24.

The square root of 3321221244 is about 57630.0376886915. The cubic root of 3321221244 is about 1491.9900804828.

Adding to 3321221244 its reverse (4421221233), we get a palindrome (7742442477).

The spelling of 3321221244 in words is "three billion, three hundred twenty-one million, two hundred twenty-one thousand, two hundred forty-four".