2205139 has 2 divisors, whose sum is σ = 2205140. Its totient is φ = 2205138.

The previous prime is 2205113. The next prime is 2205149. The reversal of 2205139 is 9315022.

2205139 is digitally balanced in base 2, because in such base it contains all the possibile digits an equal number of times.

It is a strong prime.

It is a cyclic number.

It is not a de Polignac number, because 2205139 - 2⁵ = 2205107 is a prime.

It is not a weakly prime, because it can be changed into another prime (2205149) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (11) of ones.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 1102569 + 1102570.

It is an arithmetic number, because the mean of its divisors is an integer number (1102570).

2^2205139 is an apocalyptic number.

2205139 is a deficient number, since it is larger than the sum of its proper divisors (1).

2205139 is an equidigital number, since it uses as much as digits as its factorization.

2205139 is an odious number, because the sum of its binary digits is odd.

The product of its (nonzero) digits is 540, while the sum is 22.

The square root of 2205139 is about 1484.9710434887. The cubic root of 2205139 is about 130.1603347152.

The spelling of 2205139 in words is "two million, two hundred five thousand, one hundred thirty-nine".