2298181 has 8 divisors (see below), whose sum is σ = 2380320. Its totient is φ = 2217168.

The previous prime is 2298161. The next prime is 2298193. The reversal of 2298181 is 1818922.

It is a happy number.

It is a sphenic number, since it is the product of 3 distinct primes.

It is a cyclic number.

It is not a de Polignac number, because 2298181 - 2¹⁵ = 2265413 is a prime.

It is a super-2 number, since 2×2298181² = 10563271817522, which contains 22 as substring.

It is a Duffinian number.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (2298151) by changing a digit.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 6450 + ... + 6796.

It is an arithmetic number, because the mean of its divisors is an integer number (297540).

2^2298181 is an apocalyptic number.

It is an amenable number.

2298181 is a deficient number, since it is larger than the sum of its proper divisors (82139).

2298181 is a wasteful number, since it uses less digits than its factorization.

2298181 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 563.

The product of its digits is 2304, while the sum is 31.

The square root of 2298181 is about 1515.9752636504. The cubic root of 2298181 is about 131.9658045796.

The spelling of 2298181 in words is "two million, two hundred ninety-eight thousand, one hundred eighty-one".