2246220065 has 4 divisors (see below), whose sum is σ = 2695464084. Its totient is φ = 1796976048.

The previous prime is 2246220061. The next prime is 2246220073. The reversal of 2246220065 is 5600226422.

It is a happy number.

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 496220176 + 1749999889 = 22276^2 + 41833^2 .

It is a cyclic number.

It is not a de Polignac number, because 2246220065 - 2² = 2246220061 is a prime.

It is a Duffinian number.

It is not an unprimeable number, because it can be changed into a prime (2246220061) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (13) of ones.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 224622002 + ... + 224622011.

It is an arithmetic number, because the mean of its divisors is an integer number (673866021).

Almost surely, 2^2246220065 is an apocalyptic number.

It is an amenable number.

2246220065 is a deficient number, since it is larger than the sum of its proper divisors (449244019).

2246220065 is an equidigital number, since it uses as much as digits as its factorization.

2246220065 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 449244018.

The product of its (nonzero) digits is 11520, while the sum is 29.

The square root of 2246220065 is about 47394.3041408986. The cubic root of 2246220065 is about 1309.6364908304.

Adding to 2246220065 its reverse (5600226422), we get a palindrome (7846446487).

The spelling of 2246220065 in words is "two billion, two hundred forty-six million, two hundred twenty thousand, sixty-five".