1222000263 has 20 divisors (see below), whose sum is σ = 1991409288. Its totient is φ = 740605680.

The previous prime is 1222000261. The next prime is 1222000303. The reversal of 1222000263 is 3620002221.

1222000263 is digitally balanced in base 4, because in such base it contains all the possibile digits an equal number of times.

It is not a de Polignac number, because 1222000263 - 2¹ = 1222000261 is a prime.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (1222000261) by changing a digit.

It is a polite number, since it can be written in 19 ways as a sum of consecutive naturals, for example, 684856 + ... + 686637.

Almost surely, 2^1222000263 is an apocalyptic number.

1222000263 is a deficient number, since it is larger than the sum of its proper divisors (769409025).

1222000263 is a wasteful number, since it uses less digits than its factorization.

1222000263 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 1371516 (or 1371507 counting only the distinct ones).

The product of its (nonzero) digits is 288, while the sum is 18.

The square root of 1222000263 is about 34957.1203476488. The cubic root of 1222000263 is about 1069.1133840962.

Adding to 1222000263 its reverse (3620002221), we get a palindrome (4842002484).

The spelling of 1222000263 in words is "one billion, two hundred twenty-two million, two hundred sixty-three", and thus it is an aban number.