33220212044 has 12 divisors (see below), whose sum is σ = 58136904000. Its totient is φ = 16609668048.

The previous prime is 33220212013. The next prime is 33220212049. The reversal of 33220212044 is 44021202233.

It is a super-2 number, since 2×33220212044² (a number of 22 digits) contains 22 as substring.

It is not an unprimeable number, because it can be changed into a prime (33220212049) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (17) of ones.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 110102 + ... + 280290.

It is an arithmetic number, because the mean of its divisors is an integer number (4844742000).

Almost surely, 2^33220212044 is an apocalyptic number.

It is an amenable number.

33220212044 is a deficient number, since it is larger than the sum of its proper divisors (24916691956).

33220212044 is a wasteful number, since it uses less digits than its factorization.

33220212044 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 218992 (or 218990 counting only the distinct ones).

The product of its (nonzero) digits is 2304, while the sum is 23.

Adding to 33220212044 its reverse (44021202233), we get a palindrome (77241414277).

The spelling of 33220212044 in words is "thirty-three billion, two hundred twenty million, two hundred twelve thousand, forty-four".