1123021322 has 16 divisors (see below), whose sum is σ = 1765333440. Its totient is φ = 534786912.

The previous prime is 1123021321. The next prime is 1123021327. The reversal of 1123021322 is 2231203211.

It is a super-2 number, since 2×1123021322² = 2522353779333255368, which contains 22 as substring.

It is a self number, because there is not a number n which added to its sum of digits gives 1123021322.

It is not an unprimeable number, because it can be changed into a prime (1123021321) by changing a digit.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 41672 + ... + 63107.

It is an arithmetic number, because the mean of its divisors is an integer number (110333340).

Almost surely, 2^1123021322 is an apocalyptic number.

1123021322 is a deficient number, since it is larger than the sum of its proper divisors (642312118).

1123021322 is a wasteful number, since it uses less digits than its factorization.

1123021322 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 105037.

The product of its (nonzero) digits is 144, while the sum is 17.

The square root of 1123021322 is about 33511.5102912417. The cubic root of 1123021322 is about 1039.4318031616.

Adding to 1123021322 its reverse (2231203211), we get a palindrome (3354224533).

The spelling of 1123021322 in words is "one billion, one hundred twenty-three million, twenty-one thousand, three hundred twenty-two".