22425213140432 has 80 divisors (see below), whose sum is σ = 44967979008000. Its totient is φ = 10822487395200.

The previous prime is 22425213140381. The next prime is 22425213140453. The reversal of 22425213140432 is 23404131252422.

It is a junction number, because it is equal to n+sod(n) for n = 22425213140392 and 22425213140401.

It is a congruent number.

It is an unprimeable number.

It is a polite number, since it can be written in 15 ways as a sum of consecutive naturals, for example, 658947257 + ... + 658981287.

It is an arithmetic number, because the mean of its divisors is an integer number (562099737600).

Almost surely, 2^{22425213140432} 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 22425213140432, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (22483989504000).

22425213140432 is an abundant number, since it is smaller than the sum of its proper divisors (22542765867568).

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

22425213140432 is a wasteful number, since it uses less digits than its factorization.

22425213140432 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 37512 (or 37506 counting only the distinct ones).

The product of its (nonzero) digits is 92160, while the sum is 35.

Adding to 22425213140432 its reverse (23404131252422), we get a palindrome (45829344392854).

The spelling of 22425213140432 in words is "twenty-two trillion, four hundred twenty-five billion, two hundred thirteen million, one hundred forty thousand, four hundred thirty-two".