33322433213 has 4 divisors (see below), whose sum is σ = 33436161948. Its totient is φ = 33208704480.

The previous prime is 33322433203. The next prime is 33322433219. The reversal of 33322433213 is 31233422333.

It is a semiprime because it is the product of two primes, and also an emirpimes, since its reverse is a distinct semiprime: 31233422333 = 457 ⋅68344469.

It can be written as a sum of positive squares in 2 ways, for example, as 27146516644 + 6175916569 = 164762^2 + 78587^2 .

It is a cyclic number.

It is not a de Polignac number, because 33322433213 - 2¹⁶ = 33322367677 is a prime.

It is a super-2 number, since 2×33322433213² (a number of 22 digits) contains 22 as substring.

It is a Duffinian number.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (33322433219) by changing a digit.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 56863928 + ... + 56864513.

It is an arithmetic number, because the mean of its divisors is an integer number (8359040487).

Almost surely, 2^33322433213 is an apocalyptic number.

It is an amenable number.

33322433213 is a deficient number, since it is larger than the sum of its proper divisors (113728735).

33322433213 is a wasteful number, since it uses less digits than its factorization.

33322433213 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 113728734.

The product of its digits is 23328, while the sum is 29.

Adding to 33322433213 its reverse (31233422333), we get a palindrome (64555855546).

The spelling of 33322433213 in words is "thirty-three billion, three hundred twenty-two million, four hundred thirty-three thousand, two hundred thirteen".