3221606903742 has 24 divisors (see below), whose sum is σ = 6980799660744. Its totient is φ = 1073768757264.

The previous prime is 3221606903681. The next prime is 3221606903773. The reversal of 3221606903742 is 2473096061223.

3221606903742 is a `hidden beast` number, since 3 + 2 + 2 + 1 + 606 + 9 + 0 + 37 + 4 + 2 = 666.

It is a congruent number.

It is an unprimeable number.

It is a polite number, since it can be written in 11 ways as a sum of consecutive naturals, for example, 8152513 + ... + 8538540.

It is an arithmetic number, because the mean of its divisors is an integer number (290866652531).

Almost surely, 2^{3221606903742} is an apocalyptic number.

3221606903742 is an abundant number, since it is smaller than the sum of its proper divisors (3759192757002).

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

3221606903742 is a wasteful number, since it uses less digits than its factorization.

3221606903742 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 16701784 (or 16701781 counting only the distinct ones).

The product of its (nonzero) digits is 653184, while the sum is 45.

The spelling of 3221606903742 in words is "three trillion, two hundred twenty-one billion, six hundred six million, nine hundred three thousand, seven hundred forty-two".