1123222302 has 48 divisors (see below), whose sum is σ = 2527931952. Its totient is φ = 373792320.

The previous prime is 1123222271. The next prime is 1123222333. The reversal of 1123222302 is 2032223211.

1123222302 is a `hidden beast` number, since 112 + 322 + 230 + 2 = 666.

It is an interprime number because it is at equal distance from previous prime (1123222271) and next prime (1123222333).

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

It is a congruent number.

It is an unprimeable number.

It is a polite number, since it can be written in 23 ways as a sum of consecutive naturals, for example, 368328 + ... + 371364.

It is an arithmetic number, because the mean of its divisors is an integer number (52665249).

Almost surely, 2^1123222302 is an apocalyptic number.

It is a practical number, because each smaller number is the sum of distinct divisors of 1123222302, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (1263965976).

1123222302 is an abundant number, since it is smaller than the sum of its proper divisors (1404709650).

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

1123222302 is an equidigital number, since it uses as much as digits as its factorization.

1123222302 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 3815 (or 3803 counting only the distinct ones).

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

The square root of 1123222302 is about 33514.5088282672. The cubic root of 1123222302 is about 1039.4938063011.

Adding to 1123222302 its reverse (2032223211), we get a palindrome (3155445513).

Subtracting 1123222302 from its reverse (2032223211), we obtain a palindrome (909000909).

The spelling of 1123222302 in words is "one billion, one hundred twenty-three million, two hundred twenty-two thousand, three hundred two".