33221213003332 has 24 divisors (see below), whose sum is σ = 61557688692864. Its totient is φ = 15633325287552.

The previous prime is 33221213003249. The next prime is 33221213003389. The reversal of 33221213003332 is 23330031212233.

It is a super-2 number, since 2×33221213003332² (a number of 28 digits) contains 22 as substring.

It is a self number, because there is not a number n which added to its sum of digits gives 33221213003332.

It is an unprimeable number.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 2902833 + ... + 8652679.

It is an arithmetic number, because the mean of its divisors is an integer number (2564903695536).

Almost surely, 2^{33221213003332} is an apocalyptic number.

It is an amenable number.

33221213003332 is a deficient number, since it is larger than the sum of its proper divisors (28336475689532).

33221213003332 is a wasteful number, since it uses less digits than its factorization.

33221213003332 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 5834835 (or 5834833 counting only the distinct ones).

The product of its (nonzero) digits is 11664, while the sum is 28.

Adding to 33221213003332 its reverse (23330031212233), we get a palindrome (56551244215565).

The spelling of 33221213003332 in words is "thirty-three trillion, two hundred twenty-one billion, two hundred thirteen million, three thousand, three hundred thirty-two".