1122253321 has 6 divisors (see below), whose sum is σ = 1305478410. Its totient is φ = 961931376.

The previous prime is 1122253303. The next prime is 1122253331. The reversal of 1122253321 is 1233522211.

It can be written as a sum of positive squares in only one way, i.e., 1057225225 + 65028096 = 32515^2 + 8064^2 .

It is a de Polignac number, because none of the positive numbers 2^k-1122253321 is a prime.

It is a Duffinian number.

It is a junction number, because it is equal to n+sod(n) for n = 1122253292 and 1122253301.

It is not an unprimeable number, because it can be changed into a prime (1122253331) 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, 11451516 + ... + 11451613.

It is an arithmetic number, because the mean of its divisors is an integer number (217579735).

Almost surely, 2^1122253321 is an apocalyptic number.

It is an amenable number.

1122253321 is a deficient number, since it is larger than the sum of its proper divisors (183225089).

1122253321 is an equidigital number, since it uses as much as digits as its factorization.

1122253321 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 22903143 (or 22903136 counting only the distinct ones).

The product of its digits is 720, while the sum is 22.

The square root of 1122253321 is about 33500.0495671275. The cubic root of 1122253321 is about 1039.1948035926.

Adding to 1122253321 its reverse (1233522211), we get a palindrome (2355775532).

The spelling of 1122253321 in words is "one billion, one hundred twenty-two million, two hundred fifty-three thousand, three hundred twenty-one".