2238247 has 8 divisors (see below), whose sum is σ = 2453760. Its totient is φ = 2024760.

The previous prime is 2238239. The next prime is 2238259. The reversal of 2238247 is 7428322.

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

It is a cyclic number.

It is not a de Polignac number, because 2238247 - 2³ = 2238239 is a prime.

It is a Duffinian number.

2238247 is a lucky number.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (2238217) 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, 2754 + ... + 3472.

It is an arithmetic number, because the mean of its divisors is an integer number (306720).

2^2238247 is an apocalyptic number.

2238247 is a deficient number, since it is larger than the sum of its proper divisors (215513).

2238247 is a wasteful number, since it uses less digits than its factorization.

2238247 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 1013.

The product of its digits is 5376, while the sum is 28.

The square root of 2238247 is about 1496.0772038902. The cubic root of 2238247 is about 130.8085114806.

It can be divided in two parts, 2238 and 247, that added together give a triangular number (2485 = T₇₀).

The spelling of 2238247 in words is "two million, two hundred thirty-eight thousand, two hundred forty-seven".