22648251726 has 48 divisors (see below), whose sum is σ = 50968754928. Its totient is φ = 7537536000.

The previous prime is 22648251719. The next prime is 22648251727. The reversal of 22648251726 is 62715284622.

It is a Smith number, since the sum of its digits (45) coincides with the sum of the digits of its prime factors.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (22648251727) by changing a digit.

It is a polite number, since it can be written in 23 ways as a sum of consecutive naturals, for example, 275176 + ... + 347876.

It is an arithmetic number, because the mean of its divisors is an integer number (1061849061).

Almost surely, 2^22648251726 is an apocalyptic number.

It is a practical number, because each smaller number is the sum of distinct divisors of 22648251726, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (25484377464).

22648251726 is an abundant number, since it is smaller than the sum of its proper divisors (28320503202).

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

22648251726 is an equidigital number, since it uses as much as digits as its factorization.

22648251726 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 73359 (or 73347 counting only the distinct ones).

The product of its digits is 645120, while the sum is 45.

The spelling of 22648251726 in words is "twenty-two billion, six hundred forty-eight million, two hundred fifty-one thousand, seven hundred twenty-six".