22418448 has 80 divisors (see below), whose sum is σ = 64120896. Its totient is φ = 6704640.

The previous prime is 22418387. The next prime is 22418453. The reversal of 22418448 is 84481422.

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

It is a congruent number.

It is an unprimeable number.

It is a polite number, since it can be written in 15 ways as a sum of consecutive naturals, for example, 22603 + ... + 23573.

Almost surely, 2^22418448 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 22418448, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (32060448).

22418448 is an abundant number, since it is smaller than the sum of its proper divisors (41702448).

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

22418448 is a wasteful number, since it uses less digits than its factorization.

22418448 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 1032 (or 1026 counting only the distinct ones).

The product of its digits is 16384, while the sum is 33.

The square root of 22418448 is about 4734.8123510864. The cubic root of 22418448 is about 281.9693140998.

The spelling of 22418448 in words is "twenty-two million, four hundred eighteen thousand, four hundred forty-eight".