201220222444399 has 2 divisors, whose sum is σ = 201220222444400. Its totient is φ = 201220222444398.

The previous prime is 201220222444363. The next prime is 201220222444427. The reversal of 201220222444399 is 993444222022102.

It is a strong prime.

It is a cyclic number.

It is not a de Polignac number, because 201220222444399 - 2⁷ = 201220222444271 is a prime.

It is a super-3 number, since 3×201220222444399³ (a number of 44 digits) contains 333 as substring.

It is a congruent number.

It is not a weakly prime, because it can be changed into another prime (201220222444499) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 100610111222199 + 100610111222200.

It is an arithmetic number, because the mean of its divisors is an integer number (100610111222200).

Almost surely, 2^{201220222444399} is an apocalyptic number.

201220222444399 is a deficient number, since it is larger than the sum of its proper divisors (1).

201220222444399 is an equidigital number, since it uses as much as digits as its factorization.

201220222444399 is an evil number, because the sum of its binary digits is even.

The product of its (nonzero) digits is 995328, while the sum is 46.

The spelling of 201220222444399 in words is "two hundred one trillion, two hundred twenty billion, two hundred twenty-two million, four hundred forty-four thousand, three hundred ninety-nine".