2206539287 has 2 divisors, whose sum is σ = 2206539288. Its totient is φ = 2206539286.

The previous prime is 2206539193. The next prime is 2206539311. The reversal of 2206539287 is 7829356022.

It is a strong prime.

It is a cyclic number.

It is not a de Polignac number, because 2206539287 - 2²⁰ = 2205490711 is a prime.

It is a congruent number.

It is not a weakly prime, because it can be changed into another prime (2206539487) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 1103269643 + 1103269644.

It is an arithmetic number, because the mean of its divisors is an integer number (1103269644).

Almost surely, 2^2206539287 is an apocalyptic number.

2206539287 is a deficient number, since it is larger than the sum of its proper divisors (1).

2206539287 is an equidigital number, since it uses as much as digits as its factorization.

2206539287 is an evil number, because the sum of its binary digits is even.

The product of its (nonzero) digits is 362880, while the sum is 44.

The square root of 2206539287 is about 46973.8149078825. The cubic root of 2206539287 is about 1301.8787995672.

The spelling of 2206539287 in words is "two billion, two hundred six million, five hundred thirty-nine thousand, two hundred eighty-seven".