1322220033 has 24 divisors (see below), whose sum is σ = 2032742088. Its totient is φ = 825311232.

The previous prime is 1322219923. The next prime is 1322220041. The reversal of 1322220033 is 3300222231.

It is a happy number.

It can be written as a sum of positive squares in 4 ways, for example, as 577585089 + 744634944 = 24033^2 + 27288^2 .

It is not a de Polignac number, because 1322220033 - 2¹³ = 1322211841 is a prime.

It is a Curzon number.

It is a junction number, because it is equal to n+sod(n) for n = 1322219988 and 1322220015.

It is not an unprimeable number, because it can be changed into a prime (1322220083) by changing a digit.

It is a polite number, since it can be written in 23 ways as a sum of consecutive naturals, for example, 7141 + ... + 51917.

It is an arithmetic number, because the mean of its divisors is an integer number (84697587).

Almost surely, 2^1322220033 is an apocalyptic number.

It is an amenable number.

1322220033 is a deficient number, since it is larger than the sum of its proper divisors (710522055).

1322220033 is a wasteful number, since it uses less digits than its factorization.

1322220033 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 44993 (or 44990 counting only the distinct ones).

The product of its (nonzero) digits is 432, while the sum is 18.

The square root of 1322220033 is about 36362.3436125891. The cubic root of 1322220033 is about 1097.5759383462.

Adding to 1322220033 its reverse (3300222231), we get a palindrome (4622442264).

The spelling of 1322220033 in words is "one billion, three hundred twenty-two million, two hundred twenty thousand, thirty-three".