222501263 has 2 divisors, whose sum is σ = 222501264. Its totient is φ = 222501262.

The previous prime is 222501259. The next prime is 222501277. The reversal of 222501263 is 362105222.

222501263 is digitally balanced in base 2, because in such base it contains all the possibile digits an equal number of times.

It is a weak prime.

It is a cyclic number.

It is not a de Polignac number, because 222501263 - 2² = 222501259 is a prime.

It is a congruent number.

It is not a weakly prime, because it can be changed into another prime (222501163) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 111250631 + 111250632.

It is an arithmetic number, because the mean of its divisors is an integer number (111250632).

Almost surely, 2^222501263 is an apocalyptic number.

222501263 is a deficient number, since it is larger than the sum of its proper divisors (1).

222501263 is an equidigital number, since it uses as much as digits as its factorization.

222501263 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 222501263 is about 14916.4762259724. The cubic root of 222501263 is about 605.9602836072.

Adding to 222501263 its reverse (362105222), we get a palindrome (584606485).

The spelling of 222501263 in words is "two hundred twenty-two million, five hundred one thousand, two hundred sixty-three".