2222145539 has 2 divisors, whose sum is σ = 2222145540. Its totient is φ = 2222145538.

The previous prime is 2222145521. The next prime is 2222145547. The reversal of 2222145539 is 9355412222.

It is a strong prime.

It is a cyclic number.

It is not a de Polignac number, because 2222145539 - 2²⁰ = 2221096963 is a prime.

It is a junction number, because it is equal to n+sod(n) for n = 2222145499 and 2222145508.

It is not a weakly prime, because it can be changed into another prime (2222141539) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 1111072769 + 1111072770.

It is an arithmetic number, because the mean of its divisors is an integer number (1111072770).

Almost surely, 2^2222145539 is an apocalyptic number.

2222145539 is a deficient number, since it is larger than the sum of its proper divisors (1).

2222145539 is an equidigital number, since it uses as much as digits as its factorization.

2222145539 is an evil number, because the sum of its binary digits is even.

The product of its digits is 43200, while the sum is 35.

The square root of 2222145539 is about 47139.6387236899. The cubic root of 2222145539 is about 1304.9408699837.

The spelling of 2222145539 in words is "two billion, two hundred twenty-two million, one hundred forty-five thousand, five hundred thirty-nine".