1222535432 has 16 divisors (see below), whose sum is σ = 2299582140. Its totient is φ = 609313536.

The previous prime is 1222535407. The next prime is 1222535443. The reversal of 1222535432 is 2345352221.

It can be written as a sum of positive squares in 2 ways, for example, as 756580036 + 465955396 = 27506^2 + 21586^2 .

It is a junction number, because it is equal to n+sod(n) for n = 1222535395 and 1222535404.

It is an unprimeable number.

It is a pernicious number, because its binary representation contains a prime number (13) of ones.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 241613 + ... + 246620.

Almost surely, 2^1222535432 is an apocalyptic number.

It is an amenable number.

1222535432 is a deficient number, since it is larger than the sum of its proper divisors (1077046708).

1222535432 is a wasteful number, since it uses less digits than its factorization.

1222535432 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 488552 (or 488548 counting only the distinct ones).

The product of its digits is 14400, while the sum is 29.

The square root of 1222535432 is about 34964.7741591448. The cubic root of 1222535432 is about 1069.2694322996.

Adding to 1222535432 its reverse (2345352221), we get a palindrome (3567887653).

The spelling of 1222535432 in words is "one billion, two hundred twenty-two million, five hundred thirty-five thousand, four hundred thirty-two".