2205751 has 4 divisors (see below), whose sum is σ = 2213992. Its totient is φ = 2197512.

The previous prime is 2205719. The next prime is 2205761. The reversal of 2205751 is 1575022.

It is a semiprime because it is the product of two primes.

It is a cyclic number.

It is not a de Polignac number, because 2205751 - 2⁵ = 2205719 is a prime.

It is a Duffinian number.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (2205761) 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, 3705 + ... + 4258.

It is an arithmetic number, because the mean of its divisors is an integer number (553498).

2^2205751 is an apocalyptic number.

2205751 is a deficient number, since it is larger than the sum of its proper divisors (8241).

2205751 is an equidigital number, since it uses as much as digits as its factorization.

2205751 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 8240.

The product of its (nonzero) digits is 700, while the sum is 22.

The square root of 2205751 is about 1485.1770938174. The cubic root of 2205751 is about 130.1723748870.

The spelling of 2205751 in words is "two million, two hundred five thousand, seven hundred fifty-one".