2245427189 has 2 divisors, whose sum is σ = 2245427190. Its totient is φ = 2245427188.

The previous prime is 2245427143. The next prime is 2245427243. The reversal of 2245427189 is 9817245422.

It is a weak prime.

It can be written as a sum of positive squares in only one way, i.e., 1828246564 + 417180625 = 42758^2 + 20425^2 .

It is a cyclic number.

It is not a de Polignac number, because 2245427189 - 2²⁰ = 2244378613 is a prime.

It is a super-2 number, since 2×2245427189² = 10083886522200883442, which contains 22 as substring.

It is a congruent number.

It is not a weakly prime, because it can be changed into another prime (2245427389) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 1122713594 + 1122713595.

It is an arithmetic number, because the mean of its divisors is an integer number (1122713595).

Almost surely, 2^2245427189 is an apocalyptic number.

It is an amenable number.

2245427189 is a deficient number, since it is larger than the sum of its proper divisors (1).

2245427189 is an equidigital number, since it uses as much as digits as its factorization.

2245427189 is an odious number, because the sum of its binary digits is odd.

The product of its digits is 322560, while the sum is 44.

The square root of 2245427189 is about 47385.9387265885. The cubic root of 2245427189 is about 1309.4823798480.

The spelling of 2245427189 in words is "two billion, two hundred forty-five million, four hundred twenty-seven thousand, one hundred eighty-nine".