1122221033 has 8 divisors (see below), whose sum is σ = 1172889480. Its totient is φ = 1072350720.

The previous prime is 1122220973. The next prime is 1122221039. The reversal of 1122221033 is 3301222211.

It can be written as a sum of positive squares in 4 ways, for example, as 118091689 + 1004129344 = 10867^2 + 31688^2 .

It is a sphenic number, since it is the product of 3 distinct primes.

It is a cyclic number.

It is not a de Polignac number, because 1122221033 - 2²² = 1118026729 is a prime.

It is a Duffinian number.

It is not an unprimeable number, because it can be changed into a prime (1122221039) 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, 196658 + ... + 202283.

It is an arithmetic number, because the mean of its divisors is an integer number (146611185).

Almost surely, 2^1122221033 is an apocalyptic number.

It is an amenable number.

1122221033 is a deficient number, since it is larger than the sum of its proper divisors (50668447).

1122221033 is an equidigital number, since it uses as much as digits as its factorization.

1122221033 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 399067.

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

The square root of 1122221033 is about 33499.5676539265. The cubic root of 1122221033 is about 1039.1848373806.

Adding to 1122221033 its reverse (3301222211), we get a palindrome (4423443244).

The spelling of 1122221033 in words is "one billion, one hundred twenty-two million, two hundred twenty-one thousand, thirty-three".