21633222233612 has 24 divisors (see below), whose sum is σ = 41300278516560. Its totient is φ = 9833166020160.

The previous prime is 21633222233573. The next prime is 21633222233617.

21633222233612 is nontrivially palindromic in base 10.

It is not an unprimeable number, because it can be changed into a prime (21633222233617) 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, 881258 + ... + 6636494.

It is an arithmetic number, because the mean of its divisors is an integer number (1720844938190).

Almost surely, 2^{21633222233612} is an apocalyptic number.

21633222233612 is a gapful number since it is divisible by the number (22) formed by its first and last digit.

It is an amenable number.

21633222233612 is a deficient number, since it is larger than the sum of its proper divisors (19667056282948).

21633222233612 is a wasteful number, since it uses less digits than its factorization.

21633222233612 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 5840681 (or 5840679 counting only the distinct ones).

The product of its digits is 186624, while the sum is 38.

It can be divided in two parts, 2163322 and 2233612, that added together give a palindrome (4396934).

The spelling of 21633222233612 in words is "twenty-one trillion, six hundred thirty-three billion, two hundred twenty-two million, two hundred thirty-three thousand, six hundred twelve".