22148448 has 96 divisors (see below), whose sum is σ = 69382656. Its totient is φ = 6048768.

The previous prime is 22148447. The next prime is 22148479. The reversal of 22148448 is 84484122.

It is a tau number, because it is divible by the number of its divisors (96).

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

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (22148447) 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, 14740 + ... + 16172.

It is an arithmetic number, because the mean of its divisors is an integer number (722736).

Almost surely, 2^22148448 is an apocalyptic number.

22148448 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 22148448, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (34691328).

22148448 is an abundant number, since it is smaller than the sum of its proper divisors (47234208).

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

22148448 is a wasteful number, since it uses less digits than its factorization.

22148448 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 1476 (or 1468 counting only the distinct ones).

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

The square root of 22148448 is about 4706.2137648007. The cubic root of 22148448 is about 280.8327588992.

The spelling of 22148448 in words is "twenty-two million, one hundred forty-eight thousand, four hundred forty-eight".