2224692661 has 2 divisors, whose sum is σ = 2224692662. Its totient is φ = 2224692660.

The previous prime is 2224692647. The next prime is 2224692713. The reversal of 2224692661 is 1662964222.

It is a weak prime.

It can be written as a sum of positive squares in only one way, i.e., 2063884900 + 160807761 = 45430^2 + 12681^2 .

It is a cyclic number.

It is a de Polignac number, because none of the positive numbers 2^k-2224692661 is a prime.

It is a congruent number.

It is not a weakly prime, because it can be changed into another prime (2224692601) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 1112346330 + 1112346331.

It is an arithmetic number, because the mean of its divisors is an integer number (1112346331).

Almost surely, 2^2224692661 is an apocalyptic number.

It is an amenable number.

2224692661 is a deficient number, since it is larger than the sum of its proper divisors (1).

2224692661 is an equidigital number, since it uses as much as digits as its factorization.

2224692661 is an odious number, because the sum of its binary digits is odd.

The product of its digits is 124416, while the sum is 40.

The square root of 2224692661 is about 47166.6477608914. The cubic root of 2224692661 is about 1305.4392733465.

The spelling of 2224692661 in words is "two billion, two hundred twenty-four million, six hundred ninety-two thousand, six hundred sixty-one".