1223242230 has 64 divisors (see below), whose sum is σ = 3531778560. Its totient is φ = 264881664.

The previous prime is 1223242177. The next prime is 1223242253. The reversal of 1223242230 is 322423221.

1223242230 is digitally balanced in base 4, because in such base it contains all the possibile digits an equal number of times.

It is a Harshad number since it is a multiple of its sum of digits (21).

It is a Curzon number.

It is a junction number, because it is equal to n+sod(n) for n = 1223242197 and 1223242206.

It is a congruent number.

It is an unprimeable number.

It is a polite number, since it can be written in 31 ways as a sum of consecutive naturals, for example, 149299 + ... + 157278.

It is an arithmetic number, because the mean of its divisors is an integer number (55184040).

Almost surely, 2^1223242230 is an apocalyptic number.

1223242230 is a gapful number since it is divisible by the number (10) formed by its first and last digit.

1223242230 is an abundant number, since it is smaller than the sum of its proper divisors (2308536330).

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

1223242230 is a wasteful number, since it uses less digits than its factorization.

1223242230 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 306613.

The product of its (nonzero) digits is 1152, while the sum is 21.

The square root of 1223242230 is about 34974.8799854982. The cubic root of 1223242230 is about 1069.4754554758.

Adding to 1223242230 its reverse (322423221), we get a palindrome (1545665451).

The spelling of 1223242230 in words is "one billion, two hundred twenty-three million, two hundred forty-two thousand, two hundred thirty".