2213123033 has 6 divisors (see below), whose sum is σ = 2432606442. Its totient is φ = 2011929920.

The previous prime is 2213122999. The next prime is 2213123047. The reversal of 2213123033 is 3303213122.

It can be written as a sum of positive squares in only one way, i.e., 2126316544 + 86806489 = 46112^2 + 9317^2 .

It is not a de Polignac number, because 2213123033 - 2¹² = 2213118937 is a prime.

It is a Duffinian number.

It is a Curzon number.

It is a junction number, because it is equal to n+sod(n) for n = 2213122996 and 2213123014.

It is not an unprimeable number, because it can be changed into a prime (2213123063) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (17) of ones.

It is a polite number, since it can be written in 5 ways as a sum of consecutive naturals, for example, 9145016 + ... + 9145257.

It is an arithmetic number, because the mean of its divisors is an integer number (405434407).

Almost surely, 2^2213123033 is an apocalyptic number.

It is an amenable number.

2213123033 is a deficient number, since it is larger than the sum of its proper divisors (219483409).

2213123033 is a wasteful number, since it uses less digits than its factorization.

2213123033 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 18290295 (or 18290284 counting only the distinct ones).

The product of its (nonzero) digits is 648, while the sum is 20.

The square root of 2213123033 is about 47043.8416054642. The cubic root of 2213123033 is about 1303.1723377789.

Adding to 2213123033 its reverse (3303213122), we get a palindrome (5516336155).

The spelling of 2213123033 in words is "two billion, two hundred thirteen million, one hundred twenty-three thousand, thirty-three".