2221002263 has 2 divisors, whose sum is σ = 2221002264. Its totient is φ = 2221002262.

The previous prime is 2221002239. The next prime is 2221002269. The reversal of 2221002263 is 3622001222.

It is a strong prime.

It is a cyclic number.

It is not a de Polignac number, because 2221002263 - 2¹⁶ = 2220936727 is a prime.

It is a super-2 number, since 2×2221002263² = 9865702104502242338, which contains 22 as substring.

It is a congruent number.

It is not a weakly prime, because it can be changed into another prime (2221002269) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 1110501131 + 1110501132.

It is an arithmetic number, because the mean of its divisors is an integer number (1110501132).

Almost surely, 2^2221002263 is an apocalyptic number.

2221002263 is a deficient number, since it is larger than the sum of its proper divisors (1).

2221002263 is an equidigital number, since it uses as much as digits as its factorization.

2221002263 is an evil number, because the sum of its binary digits is even.

The product of its (nonzero) digits is 576, while the sum is 20.

The square root of 2221002263 is about 47127.5106811298. The cubic root of 2221002263 is about 1304.7170377334.

Adding to 2221002263 its reverse (3622001222), we get a palindrome (5843003485).

The spelling of 2221002263 in words is "two billion, two hundred twenty-one million, two thousand, two hundred sixty-three".