2402247 has 8 divisors (see below), whose sum is σ = 3212656. Its totient is φ = 1596672.

The previous prime is 2402233. The next prime is 2402249. The reversal of 2402247 is 7422042.

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

It is not a de Polignac number, because 2402247 - 2⁸ = 2401991 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 (2402249) by changing a digit.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 183 + ... + 2199.

It is an arithmetic number, because the mean of its divisors is an integer number (401582).

2^2402247 is an apocalyptic number.

2402247 is a deficient number, since it is larger than the sum of its proper divisors (810409).

2402247 is a wasteful number, since it uses less digits than its factorization.

2402247 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 2417.

The product of its (nonzero) digits is 896, while the sum is 21.

The square root of 2402247 is about 1549.9183849481. The cubic root of 2402247 is about 133.9283607565.

Adding to 2402247 its reverse (7422042), we get a palindrome (9824289).

The spelling of 2402247 in words is "two million, four hundred two thousand, two hundred forty-seven".