2194560 has 128 divisors (see below), whose sum is σ = 7833600. Its totient is φ = 580608.

The previous prime is 2194553. The next prime is 2194579. The reversal of 2194560 is 654912.

It is a tau number, because it is divible by the number of its divisors (128).

It is a Harshad number since it is a multiple of its sum of digits (27).

It is an unprimeable number.

It is a polite number, since it can be written in 15 ways as a sum of consecutive naturals, for example, 17217 + ... + 17343.

It is an arithmetic number, because the mean of its divisors is an integer number (61200).

2^2194560 is an apocalyptic number.

2194560 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 2194560, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (3916800).

2194560 is an abundant number, since it is smaller than the sum of its proper divisors (5639040).

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

2194560 is a wasteful number, since it uses less digits than its factorization.

2194560 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 155 (or 137 counting only the distinct ones).

The product of its (nonzero) digits is 2160, while the sum is 27.

The square root of 2194560 is about 1481.4047387531. The cubic root of 2194560 is about 129.9518559398.

The spelling of 2194560 in words is "two million, one hundred ninety-four thousand, five hundred sixty".