221403306700799 has 4 divisors (see below), whose sum is σ = 226803387352080. Its totient is φ = 216003226049520.

The previous prime is 221403306700757. The next prime is 221403306700813. The reversal of 221403306700799 is 997007603304122.

It is a semiprime because it is the product of two primes.

It is a cyclic number.

It is not a de Polignac number, because 221403306700799 - 2¹⁶ = 221403306635263 is a prime.

It is a super-3 number, since 3×221403306700799³ (a number of 44 digits) contains 333 as substring.

It is a Duffinian number.

It is a self number, because there is not a number n which added to its sum of digits gives 221403306700799.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (221403305700799) by changing a digit.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 2700040325579 + ... + 2700040325660.

It is an arithmetic number, because the mean of its divisors is an integer number (56700846838020).

Almost surely, 2^{221403306700799} is an apocalyptic number.

221403306700799 is a deficient number, since it is larger than the sum of its proper divisors (5400080651281).

221403306700799 is an equidigital number, since it uses as much as digits as its factorization.

221403306700799 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 5400080651280.

The product of its (nonzero) digits is 3429216, while the sum is 53.

The spelling of 221403306700799 in words is "two hundred twenty-one trillion, four hundred three billion, three hundred six million, seven hundred thousand, seven hundred ninety-nine".