221298739199 has 8 divisors (see below), whose sum is σ = 231798454272. Its totient is φ = 210872193400.

The previous prime is 221298739183. The next prime is 221298739229. The reversal of 221298739199 is 991937892122.

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

It is a cyclic number.

It is not a de Polignac number, because 221298739199 - 2⁴ = 221298739183 is a prime.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (221298732199) 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, 18286127 + ... + 18298224.

It is an arithmetic number, because the mean of its divisors is an integer number (28974806784).

Almost surely, 2^221298739199 is an apocalyptic number.

221298739199 is a deficient number, since it is larger than the sum of its proper divisors (10499715073).

221298739199 is a wasteful number, since it uses less digits than its factorization.

221298739199 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 36584637.

The product of its digits is 8817984, while the sum is 62.

The spelling of 221298739199 in words is "two hundred twenty-one billion, two hundred ninety-eight million, seven hundred thirty-nine thousand, one hundred ninety-nine".