1122445432 has 16 divisors (see below), whose sum is σ = 2107198800. Its totient is φ = 560525760.

The previous prime is 1122445409. The next prime is 1122445447. The reversal of 1122445432 is 2345442211.

It is a self number, because there is not a number n which added to its sum of digits gives 1122445432.

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, 80244 + ... + 93187.

It is an arithmetic number, because the mean of its divisors is an integer number (131699925).

Almost surely, 2^1122445432 is an apocalyptic number.

It is an amenable number.

1122445432 is a deficient number, since it is larger than the sum of its proper divisors (984753368).

1122445432 is a wasteful number, since it uses less digits than its factorization.

1122445432 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 174246 (or 174242 counting only the distinct ones).

The product of its digits is 7680, while the sum is 28.

The square root of 1122445432 is about 33502.9167685442. The cubic root of 1122445432 is about 1039.2540977997.

Adding to 1122445432 its reverse (2345442211), we get a palindrome (3467887643).

The spelling of 1122445432 in words is "one billion, one hundred twenty-two million, four hundred forty-five thousand, four hundred thirty-two".