1143022212 has 48 divisors (see below), whose sum is σ = 2965580800. Its totient is φ = 380725920.

The previous prime is 1143022201. The next prime is 1143022213. The reversal of 1143022212 is 2122203411.

It is a happy number.

1143022212 is a `hidden beast` number, since 1 + 1 + 430 + 22 + 212 = 666.

It is a Harshad number since it is a multiple of its sum of digits (18).

It is not an unprimeable number, because it can be changed into a prime (1143022213) by changing a digit.

It is a polite number, since it can be written in 15 ways as a sum of consecutive naturals, for example, 184989 + ... + 191067.

Almost surely, 2^1143022212 is an apocalyptic number.

1143022212 is a gapful number since it is divisible by the number (12) formed by its first and last digit.

It is an amenable number.

1143022212 is an abundant number, since it is smaller than the sum of its proper divisors (1822558588).

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

1143022212 is a wasteful number, since it uses less digits than its factorization.

1143022212 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 7833 (or 7825 counting only the distinct ones).

The product of its (nonzero) digits is 192, while the sum is 18.

The square root of 1143022212 is about 33808.6115065378. The cubic root of 1143022212 is about 1045.5662512642.

Adding to 1143022212 its reverse (2122203411), we get a palindrome (3265225623).

The spelling of 1143022212 in words is "one billion, one hundred forty-three million, twenty-two thousand, two hundred twelve".