33221010222212 has 48 divisors (see below), whose sum is σ = 61215994728000. Its totient is φ = 15751683233664.

The previous prime is 33221010222187. The next prime is 33221010222227. The reversal of 33221010222212 is 21222201012233.

It is a happy number.

It is a super-2 number, since 2×33221010222212² (a number of 28 digits) contains 22 as substring.

It is an unprimeable number.

It is a pernicious number, because its binary representation contains a prime number (23) of ones.

It is a polite number, since it can be written in 15 ways as a sum of consecutive naturals, for example, 5401523 + ... + 9778469.

It is an arithmetic number, because the mean of its divisors is an integer number (1275333223500).

Almost surely, 2^{33221010222212} is an apocalyptic number.

It is an amenable number.

33221010222212 is a deficient number, since it is larger than the sum of its proper divisors (27994984505788).

33221010222212 is a wasteful number, since it uses less digits than its factorization.

33221010222212 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 4378148 (or 4378146 counting only the distinct ones).

The product of its (nonzero) digits is 1152, while the sum is 23.

Adding to 33221010222212 its reverse (21222201012233), we get a palindrome (54443211234445).

The spelling of 33221010222212 in words is "thirty-three trillion, two hundred twenty-one billion, ten million, two hundred twenty-two thousand, two hundred twelve".