1222232132 has 18 divisors (see below), whose sum is σ = 2351030094. Its totient is φ = 555559840.

The previous prime is 1222232113. The next prime is 1222232159. The reversal of 1222232132 is 2312322221.

It is a happy number.

It can be written as a sum of positive squares in only one way, i.e., 1077414976 + 144817156 = 32824^2 + 12034^2 .

It is an unprimeable number.

It is a polite number, since it can be written in 5 ways as a sum of consecutive naturals, for example, 1262153 + ... + 1263120.

It is an arithmetic number, because the mean of its divisors is an integer number (130612783).

Almost surely, 2^1222232132 is an apocalyptic number.

It is an amenable number.

1222232132 is a deficient number, since it is larger than the sum of its proper divisors (1128797962).

1222232132 is a wasteful number, since it uses less digits than its factorization.

1222232132 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 2525299 (or 2525286 counting only the distinct ones).

The product of its digits is 576, while the sum is 20.

The square root of 1222232132 is about 34960.4366677535. The cubic root of 1222232132 is about 1069.1809996228.

Adding to 1222232132 its reverse (2312322221), we get a palindrome (3534554353).

The spelling of 1222232132 in words is "one billion, two hundred twenty-two million, two hundred thirty-two thousand, one hundred thirty-two".