22142420322000 has 640 divisors, whose sum is σ = 80115937394688. Its totient is φ = 5215201792000.

The previous prime is 22142420321933. The next prime is 22142420322007. The reversal of 22142420322000 is 22302424122.

It is a super-2 number, since 2×22142420322000² (a number of 27 digits) contains 22 as substring.

It is a Harshad number since it is a multiple of its sum of digits (24).

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (22142420322007) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (19) of ones.

It is a polite number, since it can be written in 127 ways as a sum of consecutive naturals, for example, 424947949 + ... + 425000051.

Almost surely, 2^{22142420322000} is an apocalyptic number.

22142420322000 is a gapful number since it is divisible by the number (20) formed by its first and last digit.

It is an amenable number.

It is a practical number, because each smaller number is the sum of distinct divisors of 22142420322000, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (40057968697344).

22142420322000 is an abundant number, since it is smaller than the sum of its proper divisors (57973517072688).

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

22142420322000 is a wasteful number, since it uses less digits than its factorization.

22142420322000 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 52324 (or 52308 counting only the distinct ones).

The product of its (nonzero) digits is 3072, while the sum is 24.

Adding to 22142420322000 its reverse (22302424122), we get a palindrome (22164722746122).

The spelling of 22142420322000 in words is "twenty-two trillion, one hundred forty-two billion, four hundred twenty million, three hundred twenty-two thousand".