25422221013332 has 96 divisors (see below), whose sum is σ = 53017609881600. Its totient is φ = 10513495843200.

The previous prime is 25422221013239. The next prime is 25422221013341. The reversal of 25422221013332 is 23331012222452.

It is a happy number.

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, 148513769 + ... + 148684847.

It is an arithmetic number, because the mean of its divisors is an integer number (552266769600).

Almost surely, 2^{25422221013332} is an apocalyptic number.

25422221013332 is a gapful number since it is divisible by the number (22) formed by its first and last digit.

It is an amenable number.

25422221013332 is an abundant number, since it is smaller than the sum of its proper divisors (27595388868268).

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

25422221013332 is a wasteful number, since it uses less digits than its factorization.

25422221013332 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 174837 (or 174835 counting only the distinct ones).

The product of its (nonzero) digits is 34560, while the sum is 32.

Adding to 25422221013332 its reverse (23331012222452), we get a palindrome (48753233235784).

The spelling of 25422221013332 in words is "twenty-five trillion, four hundred twenty-two billion, two hundred twenty-one million, thirteen thousand, three hundred thirty-two".