21233144022332 has 96 divisors (see below), whose sum is σ = 42587674214400. Its totient is φ = 9168878980800.

The previous prime is 21233144022319. The next prime is 21233144022359. The reversal of 21233144022332 is 23322044133212.

It is a super-2 number, since 2×21233144022332² (a number of 27 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 31 ways as a sum of consecutive naturals, for example, 91552157 + ... + 91783787.

It is an arithmetic number, because the mean of its divisors is an integer number (443621606400).

Almost surely, 2^{21233144022332} is an apocalyptic number.

21233144022332 is a gapful number since it is divisible by the number (22) formed by its first and last digit.

It is an amenable number.

21233144022332 is an abundant number, since it is smaller than the sum of its proper divisors (21354530192068).

It is a pseudoperfect number, because it is the sum of a subset of its proper divisors.

21233144022332 is a wasteful number, since it uses less digits than its factorization.

21233144022332 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 232287 (or 232285 counting only the distinct ones).

The product of its (nonzero) digits is 41472, while the sum is 32.

Adding to 21233144022332 its reverse (23322044133212), we get a palindrome (44555188155544).

The spelling of 21233144022332 in words is "twenty-one trillion, two hundred thirty-three billion, one hundred forty-four million, twenty-two thousand, three hundred thirty-two".