2271849 has 8 divisors (see below), whose sum is σ = 3188640. Its totient is φ = 1434816.

The previous prime is 2271827. The next prime is 2271859. The reversal of 2271849 is 9481722.

It is a happy number.

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

It is not a de Polignac number, because 2271849 - 2⁵ = 2271817 is a prime.

It is a super-2 number, since 2×2271849² = 10322595757602, which contains 22 as substring.

It is not an unprimeable number, because it can be changed into a prime (2271859) 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, 19872 + ... + 19985.

It is an arithmetic number, because the mean of its divisors is an integer number (398580).

2^2271849 is an apocalyptic number.

It is an amenable number.

2271849 is a deficient number, since it is larger than the sum of its proper divisors (916791).

2271849 is a wasteful number, since it uses less digits than its factorization.

2271849 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 39879.

The product of its digits is 8064, while the sum is 33.

The square root of 2271849 is about 1507.2654046318. The cubic root of 2271849 is about 131.4598565702.

The spelling of 2271849 in words is "two million, two hundred seventy-one thousand, eight hundred forty-nine".