22425171456 has 80 divisors (see below), whose sum is σ = 59774888448. Its totient is φ = 7470950400.

The previous prime is 22425171449. The next prime is 22425171481. The reversal of 22425171456 is 65417152422.

It is a congruent number.

It is an unprimeable number.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 4284361 + ... + 4289591.

Almost surely, 2^22425171456 is an apocalyptic number.

It is an amenable number.

It is a practical number, because each smaller number is the sum of distinct divisors of 22425171456, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (29887444224).

22425171456 is an abundant number, since it is smaller than the sum of its proper divisors (37349716992).

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

22425171456 is an equidigital number, since it uses as much as digits as its factorization.

22425171456 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 8043 (or 8027 counting only the distinct ones).

The product of its digits is 134400, while the sum is 39.

The spelling of 22425171456 in words is "twenty-two billion, four hundred twenty-five million, one hundred seventy-one thousand, four hundred fifty-six".