2247915 has 8 divisors (see below), whose sum is σ = 3596688. Its totient is φ = 1198880.

The previous prime is 2247913. The next prime is 2247919. The reversal of 2247915 is 5197422.

2247915 is digitally balanced in base 2, because in such base it contains all the possibile digits an equal number of times.

It is a sphenic number, since it is the product of 3 distinct primes.

It is not a de Polignac number, because 2247915 - 2¹ = 2247913 is a prime.

2247915 is a lucky number.

It is not an unprimeable number, because it can be changed into a prime (2247913) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (11) of ones.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 74916 + ... + 74945.

It is an arithmetic number, because the mean of its divisors is an integer number (449586).

2^2247915 is an apocalyptic number.

2247915 is a deficient number, since it is larger than the sum of its proper divisors (1348773).

2247915 is a wasteful number, since it uses less digits than its factorization.

2247915 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 149869.

The product of its digits is 5040, while the sum is 30.

The square root of 2247915 is about 1499.3048389170. The cubic root of 2247915 is about 130.9965813066.

The spelling of 2247915 in words is "two million, two hundred forty-seven thousand, nine hundred fifteen".