2285211389 has 4 divisors (see below), whose sum is σ = 2287450620. Its totient is φ = 2282972160.

The previous prime is 2285211373. The next prime is 2285211403. The reversal of 2285211389 is 9831125822.

It is a semiprime because it is the product of two primes.

It can be written as a sum of positive squares in 2 ways, for example, as 1538992900 + 746218489 = 39230^2 + 27317^2 .

It is a cyclic number.

It is not a de Polignac number, because 2285211389 - 2⁴ = 2285211373 is a prime.

It is a Duffinian number.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (2285211319) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (17) of ones.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 1118084 + ... + 1120125.

It is an arithmetic number, because the mean of its divisors is an integer number (571862655).

Almost surely, 2^2285211389 is an apocalyptic number.

It is an amenable number.

2285211389 is a deficient number, since it is larger than the sum of its proper divisors (2239231).

2285211389 is a wasteful number, since it uses less digits than its factorization.

2285211389 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 2239230.

The product of its digits is 69120, while the sum is 41.

The square root of 2285211389 is about 47803.8846643241. The cubic root of 2285211389 is about 1317.1708977115.

The spelling of 2285211389 in words is "two billion, two hundred eighty-five million, two hundred eleven thousand, three hundred eighty-nine".