1123320222 has 24 divisors (see below), whose sum is σ = 2499641976. Its totient is φ = 364319856.

The previous prime is 1123320221. The next prime is 1123320227. The reversal of 1123320222 is 2220233211.

1123320222 is a `hidden beast` number, since 1 + 123 + 320 + 222 = 666.

It is a Harshad number since it is a multiple of its sum of digits (18).

It is a junction number, because it is equal to n+sod(n) for n = 1123320195 and 1123320204.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (1123320221) by changing a digit.

It is a polite number, since it can be written in 11 ways as a sum of consecutive naturals, for example, 842668 + ... + 843999.

It is an arithmetic number, because the mean of its divisors is an integer number (104151749).

Almost surely, 2^1123320222 is an apocalyptic number.

1123320222 is an abundant number, since it is smaller than the sum of its proper divisors (1376321754).

It is a pseudoperfect number, because it is the sum of a subset of its proper divisors.

1123320222 is a wasteful number, since it uses less digits than its factorization.

1123320222 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 1686712 (or 1686709 counting only the distinct ones).

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

The square root of 1123320222 is about 33515.9696562698. The cubic root of 1123320222 is about 1039.5240123358.

Adding to 1123320222 its reverse (2220233211), we get a palindrome (3343553433).

The spelling of 1123320222 in words is "one billion, one hundred twenty-three million, three hundred twenty thousand, two hundred twenty-two".