2272249 has 8 divisors (see below), whose sum is σ = 2657600. Its totient is φ = 1902096.

The previous prime is 2272241. The next prime is 2272253. The reversal of 2272249 is 9422722.

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

It is not a de Polignac number, because 2272249 - 2³ = 2272241 is a prime.

It is a Duffinian number.

It is not an unprimeable number, because it can be changed into a prime (2272241) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (13) of ones.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 3474 + ... + 4075.

It is an arithmetic number, because the mean of its divisors is an integer number (332200).

2^2272249 is an apocalyptic number.

It is an amenable number.

2272249 is a deficient number, since it is larger than the sum of its proper divisors (385351).

2272249 is an equidigital number, since it uses as much as digits as its factorization.

2272249 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 7599.

The product of its digits is 4032, while the sum is 28.

The square root of 2272249 is about 1507.3980894243. The cubic root of 2272249 is about 131.4675714106.

The spelling of 2272249 in words is "two million, two hundred seventy-two thousand, two hundred forty-nine".