2211330465 has 12 divisors (see below), whose sum is σ = 3832972884. Its totient is φ = 1179376224.

The previous prime is 2211330463. The next prime is 2211330491. The reversal of 2211330465 is 5640331122.

It can be written as a sum of positive squares in 2 ways, for example, as 1281568401 + 929762064 = 35799^2 + 30492^2 .

It is not a de Polignac number, because 2211330465 - 2¹ = 2211330463 is a prime.

It is not an unprimeable number, because it can be changed into a prime (2211330463) by changing a digit.

It is a polite number, since it can be written in 11 ways as a sum of consecutive naturals, for example, 24570294 + ... + 24570383.

It is an arithmetic number, because the mean of its divisors is an integer number (319414407).

Almost surely, 2^2211330465 is an apocalyptic number.

It is an amenable number.

2211330465 is a deficient number, since it is larger than the sum of its proper divisors (1621642419).

2211330465 is a wasteful number, since it uses less digits than its factorization.

2211330465 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 49140688 (or 49140685 counting only the distinct ones).

The product of its (nonzero) digits is 4320, while the sum is 27.

The square root of 2211330465 is about 47024.7856454445. The cubic root of 2211330465 is about 1302.8203983122.

Adding to 2211330465 its reverse (5640331122), we get a palindrome (7851661587).

The spelling of 2211330465 in words is "two billion, two hundred eleven million, three hundred thirty thousand, four hundred sixty-five".