2224522661 has 2 divisors, whose sum is σ = 2224522662. Its totient is φ = 2224522660.

The previous prime is 2224522639. The next prime is 2224522667. The reversal of 2224522661 is 1662254222.

It is a strong prime.

It can be written as a sum of positive squares in only one way, i.e., 1506604225 + 717918436 = 38815^2 + 26794^2 .

It is a cyclic number.

It is a de Polignac number, because none of the positive numbers 2^k-2224522661 is a prime.

It is a Sophie Germain prime.

It is a Curzon number.

It is a congruent number.

It is not a weakly prime, because it can be changed into another prime (2224522667) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 1112261330 + 1112261331.

It is an arithmetic number, because the mean of its divisors is an integer number (1112261331).

Almost surely, 2^2224522661 is an apocalyptic number.

It is an amenable number.

2224522661 is a deficient number, since it is larger than the sum of its proper divisors (1).

2224522661 is an equidigital number, since it uses as much as digits as its factorization.

2224522661 is an evil number, because the sum of its binary digits is even.

The product of its digits is 23040, while the sum is 32.

The square root of 2224522661 is about 47164.8456055991. The cubic root of 2224522661 is about 1305.4060207639.

Adding to 2224522661 its reverse (1662254222), we get a palindrome (3886776883).

The spelling of 2224522661 in words is "two billion, two hundred twenty-four million, five hundred twenty-two thousand, six hundred sixty-one".