221647720446314 has 16 divisors (see below), whose sum is σ = 332634054785760. Its totient is φ = 110769707981520.

The previous prime is 221647720446293. The next prime is 221647720446407. The reversal of 221647720446314 is 413644027746122.

It is a super-2 number, since 2×221647720446314² (a number of 29 digits) contains 22 as substring.

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 7 ways as a sum of consecutive naturals, for example, 75527249 + ... + 78407019.

It is an arithmetic number, because the mean of its divisors is an integer number (20789628424110).

Almost surely, 2^{221647720446314} is an apocalyptic number.

221647720446314 is a deficient number, since it is larger than the sum of its proper divisors (110986334339446).

221647720446314 is a wasteful number, since it uses less digits than its factorization.

221647720446314 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 2898565.

The product of its (nonzero) digits is 10838016, while the sum is 53.

The spelling of 221647720446314 in words is "two hundred twenty-one trillion, six hundred forty-seven billion, seven hundred twenty million, four hundred forty-six thousand, three hundred fourteen".