221332009994 has 16 divisors (see below), whose sum is σ = 339088377600. Its totient is φ = 108302919984.

The previous prime is 221332009993. The next prime is 221332010023. The reversal of 221332009994 is 499900233122.

It is not an unprimeable number, because it can be changed into a prime (221332009993) by changing a digit.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 1210787 + ... + 1381545.

It is an arithmetic number, because the mean of its divisors is an integer number (21193023600).

Almost surely, 2^221332009994 is an apocalyptic number.

221332009994 is a deficient number, since it is larger than the sum of its proper divisors (117756367606).

221332009994 is a wasteful number, since it uses less digits than its factorization.

221332009994 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 184597.

The product of its (nonzero) digits is 209952, while the sum is 44.

The spelling of 221332009994 in words is "two hundred twenty-one billion, three hundred thirty-two million, nine thousand, nine hundred ninety-four".