33222133012 has 12 divisors (see below), whose sum is σ = 58283719956. Its totient is φ = 16569641600.

The previous prime is 33222132959. The next prime is 33222133031. The reversal of 33222133012 is 21033122233.

It can be written as a sum of positive squares in 2 ways, for example, as 21078974596 + 12143158416 = 145186^2 + 110196^2 .

It is a super-2 number, since 2×33222133012² (a number of 22 digits) contains 22 as substring.

It is a congruent number.

It is an unprimeable number.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 10354423 + ... + 10357630.

It is an arithmetic number, because the mean of its divisors is an integer number (4856976663).

Almost surely, 2^33222133012 is an apocalyptic number.

It is an amenable number.

33222133012 is a deficient number, since it is larger than the sum of its proper divisors (25061586944).

33222133012 is a wasteful number, since it uses less digits than its factorization.

33222133012 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 20712458 (or 20712456 counting only the distinct ones).

The product of its (nonzero) digits is 1296, while the sum is 22.

Adding to 33222133012 its reverse (21033122233), we get a palindrome (54255255245).

The spelling of 33222133012 in words is "thirty-three billion, two hundred twenty-two million, one hundred thirty-three thousand, twelve".