22147160 has 128 divisors (see below), whose sum is σ = 62899200. Its totient is φ = 6842880.

The previous prime is 22147159. The next prime is 22147207. The reversal of 22147160 is 6174122.

It is a Harshad number since it is a multiple of its sum of digits (23).

It is a congruent number.

It is an unprimeable number.

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 31 ways as a sum of consecutive naturals, for example, 122270 + ... + 122450.

It is an arithmetic number, because the mean of its divisors is an integer number (491400).

Almost surely, 2^22147160 is an apocalyptic number.

22147160 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 22147160, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (31449600).

22147160 is an abundant number, since it is smaller than the sum of its proper divisors (40752040).

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

22147160 is a wasteful number, since it uses less digits than its factorization.

22147160 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 241 (or 237 counting only the distinct ones).

The product of its (nonzero) digits is 672, while the sum is 23.

The square root of 22147160 is about 4706.0769224483. The cubic root of 22147160 is about 280.8273150323.

The spelling of 22147160 in words is "twenty-two million, one hundred forty-seven thousand, one hundred sixty".