2217790333506 has 32 divisors (see below), whose sum is σ = 4839227769600. Its totient is φ = 672000385680.

The previous prime is 2217790333483. The next prime is 2217790333537. The reversal of 2217790333506 is 6053330977122.

It is an unprimeable number.

It is a pernicious number, because its binary representation contains a prime number (17) of ones.

It is a polite number, since it can be written in 15 ways as a sum of consecutive naturals, for example, 648976 + ... + 2203803.

It is an arithmetic number, because the mean of its divisors is an integer number (151225867800).

Almost surely, 2^{2217790333506} is an apocalyptic number.

2217790333506 is an abundant number, since it is smaller than the sum of its proper divisors (2621437436094).

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

2217790333506 is a wasteful number, since it uses less digits than its factorization.

2217790333506 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 2864574.

The product of its (nonzero) digits is 1428840, while the sum is 48.

The spelling of 2217790333506 in words is "two trillion, two hundred seventeen billion, seven hundred ninety million, three hundred thirty-three thousand, five hundred six".