221164464230 has 8 divisors (see below), whose sum is σ = 398096035632. Its totient is φ = 88465785688.

The previous prime is 221164464179. The next prime is 221164464293. The reversal of 221164464230 is 32464461122.

It is a sphenic number, since it is the product of 3 distinct primes.

It is a congruent number.

It is an unprimeable number.

It is a pernicious number, because its binary representation contains a prime number (23) of ones.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 11058223202 + ... + 11058223221.

It is an arithmetic number, because the mean of its divisors is an integer number (49762004454).

Almost surely, 2^221164464230 is an apocalyptic number.

221164464230 is a deficient number, since it is larger than the sum of its proper divisors (176931571402).

221164464230 is a wasteful number, since it uses less digits than its factorization.

221164464230 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 22116446430.

The product of its (nonzero) digits is 55296, while the sum is 35.

The spelling of 221164464230 in words is "two hundred twenty-one billion, one hundred sixty-four million, four hundred sixty-four thousand, two hundred thirty".