22148608 has 40 divisors (see below), whose sum is σ = 44684640. Its totient is φ = 10967040.

The previous prime is 22148597. The next prime is 22148627. The reversal of 22148608 is 80684122.

It is a self number, because there is not a number n which added to its sum of digits gives 22148608.

It is a congruent number.

It is an unprimeable number.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 92553 + ... + 92791.

It is an arithmetic number, because the mean of its divisors is an integer number (1117116).

Almost surely, 2^22148608 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 22148608, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (22342320).

22148608 is an abundant number, since it is smaller than the sum of its proper divisors (22536032).

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

22148608 is an equidigital number, since it uses as much as digits as its factorization.

22148608 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 438 (or 422 counting only the distinct ones).

The product of its (nonzero) digits is 6144, while the sum is 31.

The square root of 22148608 is about 4706.2307635729. The cubic root of 22148608 is about 280.8334351412.

The spelling of 22148608 in words is "twenty-two million, one hundred forty-eight thousand, six hundred eight".