22106448 has 180 divisors, whose sum is σ = 77825748. Its totient is φ = 5806080.

The previous prime is 22106437. The next prime is 22106467. The reversal of 22106448 is 84460122.

22106448 is a `hidden beast` number, since 2 + 2 + 10 + 644 + 8 = 666.

It can be written as a sum of positive squares in 2 ways, for example, as 9659664 + 12446784 = 3108^2 + 3528^2 .

It is a congruent number.

It is an unprimeable number.

It is a polite number, since it can be written in 35 ways as a sum of consecutive naturals, for example, 91608 + ... + 91848.

Almost surely, 2^22106448 is an apocalyptic number.

22106448 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 22106448, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (38912874).

22106448 is an abundant number, since it is smaller than the sum of its proper divisors (55719300).

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

22106448 is a wasteful number, since it uses less digits than its factorization.

22106448 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 282 (or 266 counting only the distinct ones).

The product of its (nonzero) digits is 3072, while the sum is 27.

The square root of 22106448 is about 4701.7494616366. The cubic root of 22106448 is about 280.6551326185.

The spelling of 22106448 in words is "twenty-two million, one hundred six thousand, four hundred forty-eight".