2194320 has 80 divisors (see below), whose sum is σ = 6999552. Its totient is φ = 568320.

The previous prime is 2194319. The next prime is 2194321. The reversal of 2194320 is 234912.

It is an interprime number because it is at equal distance from previous prime (2194319) and next prime (2194321).

It is a tau number, because it is divible by the number of its divisors (80).

It is not an unprimeable number, because it can be changed into a prime (2194321) by changing a digit.

It is a polite number, since it can be written in 15 ways as a sum of consecutive naturals, for example, 9729 + ... + 9951.

2^2194320 is an apocalyptic number.

2194320 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 2194320, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (3499776).

2194320 is an abundant number, since it is smaller than the sum of its proper divisors (4805232).

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

2194320 is a wasteful number, since it uses less digits than its factorization.

2194320 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 280 (or 274 counting only the distinct ones).

The product of its (nonzero) digits is 432, while the sum is 21.

The square root of 2194320 is about 1481.3237323421. The cubic root of 2194320 is about 129.9471185312.

The spelling of 2194320 in words is "two million, one hundred ninety-four thousand, three hundred twenty".