2707221 has 8 divisors (see below), whose sum is σ = 3937824. Its totient is φ = 1640720.

The previous prime is 2707213. The next prime is 2707223. The reversal of 2707221 is 1227072.

2707221 is digitally balanced in base 2, because in such base it contains all the possibile digits an equal number of times.

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 2707221 - 2³ = 2707213 is a prime.

It is an Ulam number.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (2707223) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (11) of ones.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 40986 + ... + 41051.

It is an arithmetic number, because the mean of its divisors is an integer number (492228).

2^2707221 is an apocalyptic number.

It is an amenable number.

2707221 is a deficient number, since it is larger than the sum of its proper divisors (1230603).

2707221 is a wasteful number, since it uses less digits than its factorization.

2707221 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 82051.

The product of its (nonzero) digits is 392, while the sum is 21.

The square root of 2707221 is about 1645.3634856773. The cubic root of 2707221 is about 139.3716912216.

The spelling of 2707221 in words is "two million, seven hundred seven thousand, two hundred twenty-one".