22448000 has 128 divisors (see below), whose sum is σ = 59192640. Its totient is φ = 8448000.

The previous prime is 22447993. The next prime is 22448003. The reversal of 22448000 is 84422.

It is a tau number, because it is divible by the number of its divisors (128).

It is a Harshad number since it is a multiple of its sum of digits (20).

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (22448003) by changing a digit.

It is a polite number, since it can be written in 15 ways as a sum of consecutive naturals, for example, 367970 + ... + 368030.

Almost surely, 2^22448000 is an apocalyptic number.

22448000 is a gapful number since it is divisible by the number (20) 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 22448000, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (29596320).

22448000 is an abundant number, since it is smaller than the sum of its proper divisors (36744640).

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

22448000 is an equidigital number, since it uses as much as digits as its factorization.

22448000 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 113 (or 91 counting only the distinct ones).

The product of its (nonzero) digits is 512, while the sum is 20.

The square root of 22448000 is about 4737.9320383475. The cubic root of 22448000 is about 282.0931570235.

The spelling of 22448000 in words is "twenty-two million, four hundred forty-eight thousand".