33213004442 has 16 divisors (see below), whose sum is σ = 50364568800. Its totient is φ = 16425703920.

The previous prime is 33213004441. The next prime is 33213004457. The reversal of 33213004442 is 24440031233.

It is a super-2 number, since 2×33213004442² (a number of 22 digits) contains 22 as substring.

It is not an unprimeable number, because it can be changed into a prime (33213004441) 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, 147284 + ... + 296847.

It is an arithmetic number, because the mean of its divisors is an integer number (3147785550).

Almost surely, 2^33213004442 is an apocalyptic number.

33213004442 is a deficient number, since it is larger than the sum of its proper divisors (17151564358).

33213004442 is a wasteful number, since it uses less digits than its factorization.

33213004442 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 444541.

The product of its (nonzero) digits is 6912, while the sum is 26.

Adding to 33213004442 its reverse (24440031233), we get a palindrome (57653035675).

The spelling of 33213004442 in words is "thirty-three billion, two hundred thirteen million, four thousand, four hundred forty-two".