2239415 has 4 divisors (see below), whose sum is σ = 2687304. Its totient is φ = 1791528.

The previous prime is 2239387. The next prime is 2239417. The reversal of 2239415 is 5149322.

It is a semiprime because it is the product of two primes, and also an emirpimes, since its reverse is a distinct semiprime: 5149322 = 2 ⋅2574661.

It is a cyclic number.

It is not a de Polignac number, because 2239415 - 2¹⁰ = 2238391 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 (2239417) 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, 223937 + ... + 223946.

It is an arithmetic number, because the mean of its divisors is an integer number (671826).

2^2239415 is an apocalyptic number.

2239415 is a deficient number, since it is larger than the sum of its proper divisors (447889).

2239415 is an equidigital number, since it uses as much as digits as its factorization.

2239415 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 447888.

The product of its digits is 2160, while the sum is 26.

The square root of 2239415 is about 1496.4675071648. The cubic root of 2239415 is about 130.8312610956.

The spelling of 2239415 in words is "two million, two hundred thirty-nine thousand, four hundred fifteen".