22146368 has 28 divisors (see below), whose sum is σ = 44782740. Its totient is φ = 10862592.

The previous prime is 22146367. The next prime is 22146373. The reversal of 22146368 is 86364122.

It can be written as a sum of positive squares in 2 ways, for example, as 8248384 + 13897984 = 2872^2 + 3728^2 .

It is a hoax number, since the sum of its digits (32) coincides with the sum of the digits of its distinct prime factors.

It is a Harshad number since it is a multiple of its sum of digits (32).

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (22146367) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (11) of ones.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 128 + ... + 6656.

Almost surely, 2^22146368 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 22146368, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (22391370).

22146368 is an abundant number, since it is smaller than the sum of its proper divisors (22636372).

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

22146368 is an equidigital number, since it uses as much as digits as its factorization.

22146368 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 6594 (or 6584 counting only the distinct ones).

The product of its digits is 13824, while the sum is 32.

The square root of 22146368 is about 4705.9927751751. The cubic root of 22146368 is about 280.8239674566.

The spelling of 22146368 in words is "twenty-two million, one hundred forty-six thousand, three hundred sixty-eight".