2247571 has 4 divisors (see below), whose sum is σ = 2290032. Its totient is φ = 2205112.

The previous prime is 2247569. The next prime is 2247577. The reversal of 2247571 is 1757422.

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 2247571 - 2¹ = 2247569 is a prime.

It is a Duffinian number.

It is not an unprimeable number, because it can be changed into a prime (2247577) 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, 21151 + ... + 21256.

It is an arithmetic number, because the mean of its divisors is an integer number (572508).

2^2247571 is an apocalyptic number.

2247571 is a deficient number, since it is larger than the sum of its proper divisors (42461).

2247571 is an equidigital number, since it uses as much as digits as its factorization.

2247571 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 42460.

The product of its digits is 3920, while the sum is 28.

The square root of 2247571 is about 1499.1901146953. The cubic root of 2247571 is about 130.9898987996.

The spelling of 2247571 in words is "two million, two hundred forty-seven thousand, five hundred seventy-one".