22159360 has 56 divisors (see below), whose sum is σ = 53277516. Its totient is φ = 8847360.

The previous prime is 22159351. The next prime is 22159367. The reversal of 22159360 is 6395122.

It can be written as a sum of positive squares in 2 ways, for example, as 21827584 + 331776 = 4672^2 + 576^2 .

It is not an unprimeable number, because it can be changed into a prime (22159367) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (5) of ones.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 40690 + ... + 41230.

Almost surely, 2^22159360 is an apocalyptic number.

22159360 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 22159360, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (26638758).

22159360 is an abundant number, since it is smaller than the sum of its proper divisors (31118156).

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

22159360 is an frugal number, since it uses more digits than its factorization.

22159360 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 572 (or 548 counting only the distinct ones).

The product of its (nonzero) digits is 3240, while the sum is 28.

The square root of 22159360 is about 4707.3729403989. The cubic root of 22159360 is about 280.8788711436.

The spelling of 22159360 in words is "twenty-two million, one hundred fifty-nine thousand, three hundred sixty".