1123530222 has 8 divisors (see below), whose sum is σ = 2247060456. Its totient is φ = 374510072.

The previous prime is 1123530217. The next prime is 1123530223. The reversal of 1123530222 is 2220353211.

It is a sphenic number, since it is the product of 3 distinct primes.

1123530222 is an admirable number.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (1123530223) 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, 93627513 + ... + 93627524.

It is an arithmetic number, because the mean of its divisors is an integer number (280882557).

Almost surely, 2^1123530222 is an apocalyptic number.

1123530222 is a primitive abundant number, since it is smaller than the sum of its proper divisors, none of which is abundant.

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

1123530222 is a wasteful number, since it uses less digits than its factorization.

1123530222 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 187255042.

The product of its (nonzero) digits is 720, while the sum is 21.

The square root of 1123530222 is about 33519.1023447824. The cubic root of 1123530222 is about 1039.5887865164.

Adding to 1123530222 its reverse (2220353211), we get a palindrome (3343883433).

The spelling of 1123530222 in words is "one billion, one hundred twenty-three million, five hundred thirty thousand, two hundred twenty-two".