2228247 has 24 divisors (see below), whose sum is σ = 3722784. Its totient is φ = 1257984.

The previous prime is 2228243. The next prime is 2228299. The reversal of 2228247 is 7428222.

It is not a de Polignac number, because 2228247 - 2² = 2228243 is a prime.

It is a d-powerful number, because it can be written as 2² + 2¹⁷ + 2²⁰ + 8 + 2²⁰ + 4 + 7 .

It is a self number, because there is not a number n which added to its sum of digits gives 2228247.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (2228243) by changing a digit.

It is a polite number, since it can be written in 23 ways as a sum of consecutive naturals, for example, 6963 + ... + 7275.

It is an arithmetic number, because the mean of its divisors is an integer number (155116).

2^2228247 is an apocalyptic number.

2228247 is a deficient number, since it is larger than the sum of its proper divisors (1494537).

2228247 is a wasteful number, since it uses less digits than its factorization.

2228247 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 439 (or 436 counting only the distinct ones).

The product of its digits is 3584, while the sum is 27.

The square root of 2228247 is about 1492.7313890985. The cubic root of 2228247 is about 130.6134126608.

The spelling of 2228247 in words is "two million, two hundred twenty-eight thousand, two hundred forty-seven".