1223130222 has 24 divisors (see below), whose sum is σ = 2669186520. Its totient is φ = 404776080.

The previous prime is 1223130221. The next prime is 1223130281. The reversal of 1223130222 is 2220313221.

It is a super-3 number, since 3×1223130222³ (a number of 28 digits) contains 333 as substring.

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 = 1223130195 and 1223130204.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (1223130221) 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, 241929 + ... + 246932.

It is an arithmetic number, because the mean of its divisors is an integer number (111216105).

Almost surely, 2^1223130222 is an apocalyptic number.

1223130222 is an abundant number, since it is smaller than the sum of its proper divisors (1446056298).

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

1223130222 is a wasteful number, since it uses less digits than its factorization.

1223130222 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 489008 (or 489005 counting only the distinct ones).

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

The square root of 1223130222 is about 34973.2786853049. The cubic root of 1223130222 is about 1069.4428117741.

Adding to 1223130222 its reverse (2220313221), we get a palindrome (3443443443).

The spelling of 1223130222 in words is "one billion, two hundred twenty-three million, one hundred thirty thousand, two hundred twenty-two".