2322662561 has 4 divisors (see below), whose sum is σ = 2322773124. Its totient is φ = 2322552000.

The previous prime is 2322662549. The next prime is 2322662599. The reversal of 2322662561 is 1652662232.

It is a semiprime because it is the product of two primes, and also a brilliant number, because the two primes have the same length.

It can be written as a sum of positive squares in 2 ways, for example, as 1439443600 + 883218961 = 37940^2 + 29719^2 .

It is a cyclic number.

It is a de Polignac number, because none of the positive numbers 2^k-2322662561 is a prime.

It is a super-2 number, since 2×2322662561² = 10789522744542157442, which contains 22 as substring.

It is a Duffinian number.

It is not an unprimeable number, because it can be changed into a prime (2322662261) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (11) of ones.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 12980 + ... + 69381.

It is an arithmetic number, because the mean of its divisors is an integer number (580693281).

Almost surely, 2^2322662561 is an apocalyptic number.

It is an amenable number.

2322662561 is a deficient number, since it is larger than the sum of its proper divisors (110563).

2322662561 is an equidigital number, since it uses as much as digits as its factorization.

2322662561 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 110562.

The product of its digits is 51840, while the sum is 35.

The square root of 2322662561 is about 48194.0095966293. The cubic root of 2322662561 is about 1324.3274262616.

The spelling of 2322662561 in words is "two billion, three hundred twenty-two million, six hundred sixty-two thousand, five hundred sixty-one".