221357076196 has 9 divisors (see below), whose sum is σ = 387376530051. Its totient is φ = 110678067612.

The previous prime is 221357076167. The next prime is 221357076221. The reversal of 221357076196 is 691670753122.

The square root of 221357076196 is 470486.

It is a perfect power (a square), and thus also a powerful number.

It is a Duffinian number.

It is an unprimeable number.

It is a polite number, since it can be written in 2 ways as a sum of consecutive naturals, for example, 823351 + ... + 1058593.

Almost surely, 2^221357076196 is an apocalyptic number.

221357076196 is the 470486-th square number.

It is an amenable number.

221357076196 is a deficient number, since it is larger than the sum of its proper divisors (166019453855).

221357076196 is an frugal number, since it uses more digits than its factorization.

221357076196 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 470490 (or 235245 counting only the distinct ones).

The product of its (nonzero) digits is 952560, while the sum is 49.

Multiplying 221357076196 by its sum of digits (49), we get a square (10846496733604 = 3293402²).

The spelling of 221357076196 in words is "two hundred twenty-one billion, three hundred fifty-seven million, seventy-six thousand, one hundred ninety-six".