22495648 has 48 divisors (see below), whose sum is σ = 52375680. Its totient is φ = 9305856.

The previous prime is 22495643. The next prime is 22495673. The reversal of 22495648 is 84659422.

It is a self number, because there is not a number n which added to its sum of digits gives 22495648.

It is not an unprimeable number, because it can be changed into a prime (22495643) by changing a digit.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 4765 + ... + 8227.

It is an arithmetic number, because the mean of its divisors is an integer number (1091160).

Almost surely, 2^22495648 is an apocalyptic number.

22495648 is a gapful number since it is divisible by the number (28) 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 22495648, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (26187840).

22495648 is an abundant number, since it is smaller than the sum of its proper divisors (29880032).

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

22495648 is a wasteful number, since it uses less digits than its factorization.

22495648 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 3509 (or 3501 counting only the distinct ones).

The product of its digits is 138240, while the sum is 40.

The square root of 22495648 is about 4742.9577269885. The cubic root of 22495648 is about 282.2926057627.

The spelling of 22495648 in words is "twenty-two million, four hundred ninety-five thousand, six hundred forty-eight".