22512225142000 has 320 divisors, whose sum is σ = 61862715532800. Its totient is φ = 7851214080000.

The previous prime is 22512225141977. The next prime is 22512225142003. The reversal of 22512225142000 is 24152221522.

It is a self number, because there is not a number n which added to its sum of digits gives 22512225142000.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (22512225142003) by changing a digit.

It is a polite number, since it can be written in 63 ways as a sum of consecutive naturals, for example, 53006491 + ... + 53429509.

It is an arithmetic number, because the mean of its divisors is an integer number (193320986040).

Almost surely, 2^{22512225142000} is an apocalyptic number.

22512225142000 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 22512225142000, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (30931357766400).

22512225142000 is an abundant number, since it is smaller than the sum of its proper divisors (39350490390800).

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

22512225142000 is a wasteful number, since it uses less digits than its factorization.

22512225142000 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 423153 (or 423137 counting only the distinct ones).

The product of its (nonzero) digits is 6400, while the sum is 28.

Adding to 22512225142000 its reverse (24152221522), we get a palindrome (22536377363522).

The spelling of 22512225142000 in words is "twenty-two trillion, five hundred twelve billion, two hundred twenty-five million, one hundred forty-two thousand".