22075648 has 72 divisors (see below), whose sum is σ = 51279872. Its totient is φ = 9289728.

The previous prime is 22075637. The next prime is 22075657. The reversal of 22075648 is 84657022.

It is an unprimeable number.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 173761 + ... + 173887.

Almost surely, 2^22075648 is an apocalyptic number.

22075648 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 22075648, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (25639936).

22075648 is an abundant number, since it is smaller than the sum of its proper divisors (29204224).

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

22075648 is an equidigital number, since it uses as much as digits as its factorization.

22075648 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 247 (or 233 counting only the distinct ones).

The product of its (nonzero) digits is 26880, while the sum is 34.

The square root of 22075648 is about 4698.4729434147. The cubic root of 22075648 is about 280.5247303075.

The spelling of 22075648 in words is "twenty-two million, seventy-five thousand, six hundred forty-eight".