2194481 has 4 divisors (see below), whose sum is σ = 2310000. Its totient is φ = 2078964.

The previous prime is 2194471. The next prime is 2194487. The reversal of 2194481 is 1844912.

It is a semiprime because it is the product of two primes, and also a Blum integer, because the two primes are equal to 3 mod 4.

It is a cyclic number.

It is not a de Polignac number, because 2194481 - 2⁶ = 2194417 is a prime.

It is a super-2 number, since 2×2194481² = 9631493718722, which contains 22 as substring.

It is a Duffinian number.

It is not an unprimeable number, because it can be changed into a prime (2194487) by changing a digit.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 57731 + ... + 57768.

It is an arithmetic number, because the mean of its divisors is an integer number (577500).

2^2194481 is an apocalyptic number.

It is an amenable number.

2194481 is a deficient number, since it is larger than the sum of its proper divisors (115519).

2194481 is a wasteful number, since it uses less digits than its factorization.

2194481 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 115518.

The product of its digits is 2304, while the sum is 29.

The square root of 2194481 is about 1481.3780746319. The cubic root of 2194481 is about 129.9502965810.

The spelling of 2194481 in words is "two million, one hundred ninety-four thousand, four hundred eighty-one".