2247905 has 16 divisors (see below), whose sum is σ = 3072384. Its totient is φ = 1562880.

The previous prime is 2247901. The next prime is 2247913. The reversal of 2247905 is 5097422.

It is not a de Polignac number, because 2247905 - 2² = 2247901 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 (2247901) by changing a digit.

It is a polite number, since it can be written in 15 ways as a sum of consecutive naturals, for example, 377 + ... + 2153.

It is an arithmetic number, because the mean of its divisors is an integer number (192024).

2^2247905 is an apocalyptic number.

It is an amenable number.

2247905 is a deficient number, since it is larger than the sum of its proper divisors (824479).

2247905 is a wasteful number, since it uses less digits than its factorization.

2247905 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 1816.

The product of its (nonzero) digits is 5040, while the sum is 29.

The square root of 2247905 is about 1499.3015040345. The cubic root of 2247905 is about 130.9963870573.

The spelling of 2247905 in words is "two million, two hundred forty-seven thousand, nine hundred five".