3221374532220 has 192 divisors, whose sum is σ = 10859199805440. Its totient is φ = 788088704256.

The previous prime is 3221374532153. The next prime is 3221374532281. The reversal of 3221374532220 is 222354731223.

3221374532220 is a `hidden beast` number, since 3 + 22 + 13 + 74 + 532 + 2 + 20 = 666.

It is a Harshad number since it is a multiple of its sum of digits (36).

It is a congruent number.

It is an unprimeable number.

It is a polite number, since it can be written in 63 ways as a sum of consecutive naturals, for example, 263364 + ... + 2551883.

It is an arithmetic number, because the mean of its divisors is an integer number (56558332320).

Almost surely, 2^{3221374532220} is an apocalyptic number.

3221374532220 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 3221374532220, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (5429599902720).

3221374532220 is an abundant number, since it is smaller than the sum of its proper divisors (7637825273220).

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

3221374532220 is a wasteful number, since it uses less digits than its factorization.

3221374532220 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 2815441 (or 2815433 counting only the distinct ones).

The product of its (nonzero) digits is 120960, while the sum is 36.

The spelling of 3221374532220 in words is "three trillion, two hundred twenty-one billion, three hundred seventy-four million, five hundred thirty-two thousand, two hundred twenty".