1153222230 has 64 divisors (see below), whose sum is σ = 2842656768. Its totient is φ = 299295360.

The previous prime is 1153222199. The next prime is 1153222237. The reversal of 1153222230 is 322223511.

It is a junction number, because it is equal to n+sod(n) for n = 1153222197 and 1153222206.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (1153222237) by changing a digit.

It is a polite number, since it can be written in 31 ways as a sum of consecutive naturals, for example, 199075 + ... + 204785.

It is an arithmetic number, because the mean of its divisors is an integer number (44416512).

Almost surely, 2^1153222230 is an apocalyptic number.

1153222230 is a gapful number since it is divisible by the number (10) formed by its first and last digit.

It is a practical number, because each smaller number is the sum of distinct divisors of 1153222230, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (1421328384).

1153222230 is an abundant number, since it is smaller than the sum of its proper divisors (1689434538).

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

1153222230 is a wasteful number, since it uses less digits than its factorization.

1153222230 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 5901.

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

The square root of 1153222230 is about 33959.1258721422. The cubic root of 1153222230 is about 1048.6671614583.

Adding to 1153222230 its reverse (322223511), we get a palindrome (1475445741).

The spelling of 1153222230 in words is "one billion, one hundred fifty-three million, two hundred twenty-two thousand, two hundred thirty".