1222123432 has 32 divisors (see below), whose sum is σ = 2326579200. Its totient is φ = 601768000.

The previous prime is 1222123429. The next prime is 1222123499. The reversal of 1222123432 is 2343212221.

It is an unprimeable number.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 150369 + ... + 158287.

It is an arithmetic number, because the mean of its divisors is an integer number (72705600).

Almost surely, 2^1222123432 is an apocalyptic number.

It is an amenable number.

1222123432 is a deficient number, since it is larger than the sum of its proper divisors (1104455768).

1222123432 is a wasteful number, since it uses less digits than its factorization.

1222123432 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 8217 (or 8213 counting only the distinct ones).

The product of its digits is 1152, while the sum is 22.

The square root of 1222123432 is about 34958.8820187374. The cubic root of 1222123432 is about 1069.1493025834.

Adding to 1222123432 its reverse (2343212221), we get a palindrome (3565335653).

It can be divided in two parts, 12221 and 23432, that added together give a palindrome (35653).

The spelling of 1222123432 in words is "one billion, two hundred twenty-two million, one hundred twenty-three thousand, four hundred thirty-two".