21223023222000 has 160 divisors (see below), whose sum is σ = 69582740348160. Its totient is φ = 5563549497600.

The previous prime is 21223023221999. The next prime is 21223023222041. The reversal of 21223023222000 is 22232032212.

It is a super-2 number, since 2×21223023222000² (a number of 27 digits) contains 22 as substring.

It is a congruent number.

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 31 ways as a sum of consecutive naturals, for example, 29622022 + ... + 30330021.

It is an arithmetic number, because the mean of its divisors is an integer number (434892127176).

Almost surely, 2^{21223023222000} is an apocalyptic number.

21223023222000 is a gapful number since it is divisible by the number (20) formed by its first and last digit.

It is an amenable number.

21223023222000 is an abundant number, since it is smaller than the sum of its proper divisors (48359717126160).

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

21223023222000 is a wasteful number, since it uses less digits than its factorization.

21223023222000 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 59952128 (or 59952112 counting only the distinct ones).

The product of its (nonzero) digits is 1152, while the sum is 21.

Adding to 21223023222000 its reverse (22232032212), we get a palindrome (21245255254212).

The spelling of 21223023222000 in words is "twenty-one trillion, two hundred twenty-three billion, twenty-three million, two hundred twenty-two thousand".