22148263632 has 160 divisors (see below), whose sum is σ = 66721729536. Its totient is φ = 6263065600.

The previous prime is 22148263607. The next prime is 22148263637. The reversal of 22148263632 is 23636284122.

It is a nude number because it is divisible by every one of its digits.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (22148263637) by changing a digit.

It is a polite number, since it can be written in 31 ways as a sum of consecutive naturals, for example, 475663 + ... + 520145.

Almost surely, 2^22148263632 is an apocalyptic number.

22148263632 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 22148263632, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (33360864768).

22148263632 is an abundant number, since it is smaller than the sum of its proper divisors (44573465904).

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

22148263632 is a wasteful number, since it uses less digits than its factorization.

22148263632 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 44569 (or 44563 counting only the distinct ones).

The product of its digits is 165888, while the sum is 39.

The spelling of 22148263632 in words is "twenty-two billion, one hundred forty-eight million, two hundred sixty-three thousand, six hundred thirty-two".