1122280432 has 80 divisors (see below), whose sum is σ = 2833693632. Its totient is φ = 417853440.

The previous prime is 1122280421. The next prime is 1122280451. The reversal of 1122280432 is 2340822211.

It is a junction number, because it is equal to n+sod(n) for n = 1122280397 and 1122280406.

It is a congruent number.

It is an unprimeable number.

It is a polite number, since it can be written in 15 ways as a sum of consecutive naturals, for example, 2082 + ... + 47422.

Almost surely, 2^1122280432 is an apocalyptic number.

It is an amenable number.

It is a practical number, because each smaller number is the sum of distinct divisors of 1122280432, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (1416846816).

1122280432 is an abundant number, since it is smaller than the sum of its proper divisors (1711413200).

It is a pseudoperfect number, because it is the sum of a subset of its proper divisors.

1122280432 is a wasteful number, since it uses less digits than its factorization.

1122280432 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 45386 (or 45380 counting only the distinct ones).

The product of its (nonzero) digits is 1536, while the sum is 25.

The square root of 1122280432 is about 33500.4542058761. The cubic root of 1122280432 is about 1039.2031716924.

The spelling of 1122280432 in words is "one billion, one hundred twenty-two million, two hundred eighty thousand, four hundred thirty-two".