2205100399 has 2 divisors, whose sum is σ = 2205100400. Its totient is φ = 2205100398.

The previous prime is 2205100361. The next prime is 2205100421. The reversal of 2205100399 is 9930015022.

It is a strong prime.

It is a cyclic number.

It is a de Polignac number, because none of the positive numbers 2^k-2205100399 is a prime.

It is a self number, because there is not a number n which added to its sum of digits gives 2205100399.

It is a congruent number.

It is not a weakly prime, because it can be changed into another prime (2205103399) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 1102550199 + 1102550200.

It is an arithmetic number, because the mean of its divisors is an integer number (1102550200).

Almost surely, 2^2205100399 is an apocalyptic number.

2205100399 is a deficient number, since it is larger than the sum of its proper divisors (1).

2205100399 is an equidigital number, since it uses as much as digits as its factorization.

2205100399 is an evil number, because the sum of its binary digits is even.

The product of its (nonzero) digits is 4860, while the sum is 31.

The square root of 2205100399 is about 46958.4965581310. The cubic root of 2205100399 is about 1301.5957522442.

The spelling of 2205100399 in words is "two billion, two hundred five million, one hundred thousand, three hundred ninety-nine".