221004221314208 has 24 divisors (see below), whose sum is σ = 441062362918548. Its totient is φ = 108988383112704.

The previous prime is 221004221314193. The next prime is 221004221314231. The reversal of 221004221314208 is 802413122400122.

It can be written as a sum of positive squares in 2 ways, for example, as 221003069933584 + 1151380624 = 14866172^2 + 33932^2 .

It is a Harshad number since it is a multiple of its sum of digits (32).

It is an unprimeable number.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 47303983391 + ... + 47303988062.

Almost surely, 2^{221004221314208} is an apocalyptic number.

It is an amenable number.

221004221314208 is a deficient number, since it is larger than the sum of its proper divisors (220058141604340).

221004221314208 is an equidigital number, since it uses as much as digits as its factorization.

221004221314208 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 94607971536 (or 94607971528 counting only the distinct ones).

The product of its (nonzero) digits is 12288, while the sum is 32.

The spelling of 221004221314208 in words is "two hundred twenty-one trillion, four billion, two hundred twenty-one million, three hundred fourteen thousand, two hundred eight".