1122355263 has 4 divisors (see below), whose sum is σ = 1496473688. Its totient is φ = 748236840.

The previous prime is 1122355229. The next prime is 1122355309. The reversal of 1122355263 is 3625532211.

It is a semiprime because it is the product of two primes.

It is not a de Polignac number, because 1122355263 - 2¹³ = 1122347071 is a prime.

It is a Duffinian number.

It is a self number, because there is not a number n which added to its sum of digits gives 1122355263.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (1122355763) by changing a digit.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 187059208 + ... + 187059213.

It is an arithmetic number, because the mean of its divisors is an integer number (374118422).

Almost surely, 2^1122355263 is an apocalyptic number.

1122355263 is a deficient number, since it is larger than the sum of its proper divisors (374118425).

1122355263 is an equidigital number, since it uses as much as digits as its factorization.

1122355263 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 374118424.

The product of its digits is 10800, while the sum is 30.

The square root of 1122355263 is about 33501.5710527133. The cubic root of 1122355263 is about 1039.2262683808.

Adding to 1122355263 its reverse (3625532211), we get a palindrome (4747887474).

The spelling of 1122355263 in words is "one billion, one hundred twenty-two million, three hundred fifty-five thousand, two hundred sixty-three".