25222225532000 has 384 divisors, whose sum is σ = 72550792903680. Its totient is φ = 8438923161600.

The previous prime is 25222225531999. The next prime is 25222225532087. The reversal of 25222225532000 is 23552222252.

It is a Harshad number since it is a multiple of its sum of digits (32).

It is a congruent number.

It is an unprimeable number.

It is a polite number, since it can be written in 63 ways as a sum of consecutive naturals, for example, 226268279 + ... + 226379721.

It is an arithmetic number, because the mean of its divisors is an integer number (188934356520).

Almost surely, 2^{25222225532000} is an apocalyptic number.

25222225532000 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 25222225532000, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (36275396451840).

25222225532000 is an abundant number, since it is smaller than the sum of its proper divisors (47328567371680).

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

25222225532000 is a wasteful number, since it uses less digits than its factorization.

25222225532000 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 111671 (or 111653 counting only the distinct ones).

The product of its (nonzero) digits is 48000, while the sum is 32.

Adding to 25222225532000 its reverse (23552222252), we get a palindrome (25245777754252).

The spelling of 25222225532000 in words is "twenty-five trillion, two hundred twenty-two billion, two hundred twenty-five million, five hundred thirty-two thousand".