2247909 has 16 divisors (see below), whose sum is σ = 3192000. Its totient is φ = 1403136.

The previous prime is 2247901. The next prime is 2247913. The reversal of 2247909 is 9097422.

It is not a de Polignac number, because 2247909 - 2³ = 2247901 is a prime.

It is a self number, because there is not a number n which added to its sum of digits gives 2247909.

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, 6267 + ... + 6615.

It is an arithmetic number, because the mean of its divisors is an integer number (199500).

2^2247909 is an apocalyptic number.

It is an amenable number.

2247909 is a deficient number, since it is larger than the sum of its proper divisors (944091).

2247909 is a wasteful number, since it uses less digits than its factorization.

2247909 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 484.

The product of its (nonzero) digits is 9072, while the sum is 33.

The square root of 2247909 is about 1499.3028379884. The cubic root of 2247909 is about 130.9964647571.

The spelling of 2247909 in words is "two million, two hundred forty-seven thousand, nine hundred nine".