1143222030 has 96 divisors (see below), whose sum is σ = 3099403008. Its totient is φ = 292032000.

The previous prime is 1143222011. The next prime is 1143222089. The reversal of 1143222030 is 302223411.

1143222030 is a `hidden beast` number, since 11 + 432 + 220 + 3 + 0 = 666.

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 = 1143221994 and 1143222012.

It is a congruent number.

It is an unprimeable number.

It is a polite number, since it can be written in 47 ways as a sum of consecutive naturals, for example, 279762 + ... + 283818.

It is an arithmetic number, because the mean of its divisors is an integer number (32285448).

Almost surely, 2^1143222030 is an apocalyptic number.

1143222030 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 1143222030, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (1549701504).

1143222030 is an abundant number, since it is smaller than the sum of its proper divisors (1956180978).

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

1143222030 is a wasteful number, since it uses less digits than its factorization.

1143222030 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 4202 (or 4199 counting only the distinct ones).

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

The square root of 1143222030 is about 33811.5665120680. The cubic root of 1143222030 is about 1045.6271747767.

Adding to 1143222030 its reverse (302223411), we get a palindrome (1445445441).

The spelling of 1143222030 in words is "one billion, one hundred forty-three million, two hundred twenty-two thousand, thirty".