2247897 has 4 divisors (see below), whose sum is σ = 2997200. Its totient is φ = 1498596.

The previous prime is 2247887. The next prime is 2247899. The reversal of 2247897 is 7987422.

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 not a de Polignac number, because 2247897 - 2⁴ = 2247881 is a prime.

It is a d-powerful number, because it can be written as 2⁷ + 2¹⁷ + 4⁴ + 7⁴ + 8⁷ + 9² + 7⁵ .

It is a D-number.

It is a Duffinian number.

It is not an unprimeable number, because it can be changed into a prime (2247899) 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, 374647 + ... + 374652.

It is an arithmetic number, because the mean of its divisors is an integer number (749300).

2^2247897 is an apocalyptic number.

It is an amenable number.

2247897 is a deficient number, since it is larger than the sum of its proper divisors (749303).

2247897 is an equidigital number, since it uses as much as digits as its factorization.

2247897 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 749302.

The product of its digits is 56448, while the sum is 39.

The square root of 2247897 is about 1499.2988361231. The cubic root of 2247897 is about 130.9962316574.

The spelling of 2247897 in words is "two million, two hundred forty-seven thousand, eight hundred ninety-seven".