2220320651 has 2 divisors, whose sum is σ = 2220320652. Its totient is φ = 2220320650.

The previous prime is 2220320621. The next prime is 2220320671. The reversal of 2220320651 is 1560230222.

2220320651 is digitally balanced in base 2, because in such base it contains all the possibile digits an equal number of times.

It is a strong prime.

It is a cyclic number.

It is not a de Polignac number, because 2220320651 - 2¹⁴ = 2220304267 is a prime.

It is not a weakly prime, because it can be changed into another prime (2220320621) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 1110160325 + 1110160326.

It is an arithmetic number, because the mean of its divisors is an integer number (1110160326).

Almost surely, 2^2220320651 is an apocalyptic number.

2220320651 is a deficient number, since it is larger than the sum of its proper divisors (1).

2220320651 is an equidigital number, since it uses as much as digits as its factorization.

2220320651 is an evil number, because the sum of its binary digits is even.

The product of its (nonzero) digits is 1440, while the sum is 23.

The square root of 2220320651 is about 47120.2785539305. The cubic root of 2220320651 is about 1304.5835541864.

Adding to 2220320651 its reverse (1560230222), we get a palindrome (3780550873).

The spelling of 2220320651 in words is "two billion, two hundred twenty million, three hundred twenty thousand, six hundred fifty-one".