1228210132 has 12 divisors (see below), whose sum is σ = 2151588096. Its totient is φ = 613470680.

The previous prime is 1228210121. The next prime is 1228210163. The reversal of 1228210132 is 2310128221.

It is a congruent number.

It is an unprimeable number.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 154228 + ... + 161995.

It is an arithmetic number, because the mean of its divisors is an integer number (179299008).

Almost surely, 2^1228210132 is an apocalyptic number.

It is an amenable number.

1228210132 is a deficient number, since it is larger than the sum of its proper divisors (923377964).

1228210132 is a wasteful number, since it uses less digits than its factorization.

1228210132 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 317198 (or 317196 counting only the distinct ones).

The product of its (nonzero) digits is 384, while the sum is 22.

The square root of 1228210132 is about 35045.8290242933. The cubic root of 1228210132 is about 1070.9213050806.

Adding to 1228210132 its reverse (2310128221), we get a palindrome (3538338353).

The spelling of 1228210132 in words is "one billion, two hundred twenty-eight million, two hundred ten thousand, one hundred thirty-two".