2247205 has 4 divisors (see below), whose sum is σ = 2696652. Its totient is φ = 1797760.

The previous prime is 2247173. The next prime is 2247209. The reversal of 2247205 is 5027422.

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

It can be written as a sum of positive squares in 2 ways, for example, as 443556 + 1803649 = 666^2 + 1343^2 .

It is not a de Polignac number, because 2247205 - 2⁵ = 2247173 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 (2247209) 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, 224716 + ... + 224725.

It is an arithmetic number, because the mean of its divisors is an integer number (674163).

2^2247205 is an apocalyptic number.

It is an amenable number.

2247205 is a deficient number, since it is larger than the sum of its proper divisors (449447).

2247205 is an equidigital number, since it uses as much as digits as its factorization.

2247205 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 449446.

The product of its (nonzero) digits is 1120, while the sum is 22.

The square root of 2247205 is about 1499.0680438192. The cubic root of 2247205 is about 130.9827881743.

It can be divided in two parts, 224720 and 5, that multiplied together give a square (1123600 = 1060²).

The spelling of 2247205 in words is "two million, two hundred forty-seven thousand, two hundred five".