22425206232 has 192 divisors, whose sum is σ = 67772073600. Its totient is φ = 6126382080.

The previous prime is 22425206231. The next prime is 22425206263. The reversal of 22425206232 is 23260252422.

It is a self number, because there is not a number n which added to its sum of digits gives 22425206232.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (22425206231) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (19) of ones.

It is a polite number, since it can be written in 47 ways as a sum of consecutive naturals, for example, 1912644 + ... + 1924332.

It is an arithmetic number, because the mean of its divisors is an integer number (352979550).

Almost surely, 2^22425206232 is an apocalyptic number.

22425206232 is a gapful number since it is divisible by the number (22) 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 22425206232, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (33886036800).

22425206232 is an abundant number, since it is smaller than the sum of its proper divisors (45346867368).

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

22425206232 is a wasteful number, since it uses less digits than its factorization.

22425206232 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 11778 (or 11761 counting only the distinct ones).

The product of its (nonzero) digits is 23040, while the sum is 30.

Adding to 22425206232 its reverse (23260252422), we get a palindrome (45685458654).

The spelling of 22425206232 in words is "twenty-two billion, four hundred twenty-five million, two hundred six thousand, two hundred thirty-two".