1122355044 has 18 divisors (see below), whose sum is σ = 2837064230. Its totient is φ = 374118336.

The previous prime is 1122355019. The next prime is 1122355049. The reversal of 1122355044 is 4405532211.

1122355044 is a `hidden beast` number, since 1 + 122 + 35 + 504 + 4 = 666.

It can be written as a sum of positive squares in only one way, i.e., 936360000 + 185995044 = 30600^2 + 13638^2 .

It is a tau number, because it is divible by the number of its divisors (18).

It is a junction number, because it is equal to n+sod(n) for n = 1122354999 and 1122355017.

It is not an unprimeable number, because it can be changed into a prime (1122355049) by changing a digit.

It is a polite number, since it can be written in 5 ways as a sum of consecutive naturals, for example, 15588229 + ... + 15588300.

Almost surely, 2^1122355044 is an apocalyptic number.

It is an amenable number.

1122355044 is an abundant number, since it is smaller than the sum of its proper divisors (1714709186).

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

1122355044 is a wasteful number, since it uses less digits than its factorization.

1122355044 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 31176539 (or 31176534 counting only the distinct ones).

The product of its (nonzero) digits is 4800, while the sum is 27.

The square root of 1122355044 is about 33501.5677842097. The cubic root of 1122355044 is about 1039.2262007877.

Adding to 1122355044 its reverse (4405532211), we get a palindrome (5527887255).

The spelling of 1122355044 in words is "one billion, one hundred twenty-two million, three hundred fifty-five thousand, forty-four".