2174881 has 4 divisors (see below), whose sum is σ = 2179072. Its totient is φ = 2170692.

The previous prime is 2174807. The next prime is 2174891. The reversal of 2174881 is 1884712.

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 a de Polignac number, because none of the positive numbers 2^k-2174881 is a prime.

It is a super-2 number, since 2×2174881² = 9460214728322, which contains 22 as substring.

It is a Duffinian number.

It is not an unprimeable number, because it can be changed into a prime (2174891) 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, 1185 + ... + 2398.

It is an arithmetic number, because the mean of its divisors is an integer number (544768).

2^2174881 is an apocalyptic number.

It is an amenable number.

2174881 is a deficient number, since it is larger than the sum of its proper divisors (4191).

2174881 is an equidigital number, since it uses as much as digits as its factorization.

2174881 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 4190.

The product of its digits is 3584, while the sum is 31.

The square root of 2174881 is about 1474.7477750449. The cubic root of 2174881 is about 129.5622554630.

The spelling of 2174881 in words is "two million, one hundred seventy-four thousand, eight hundred eighty-one".