2272237 has 16 divisors (see below), whose sum is σ = 2721600. Its totient is φ = 1872640.

The previous prime is 2272223. The next prime is 2272241. The reversal of 2272237 is 7322722.

It is a de Polignac number, because none of the positive numbers 2^k-2272237 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 (2272217) 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 15 ways as a sum of consecutive naturals, for example, 5214 + ... + 5632.

It is an arithmetic number, because the mean of its divisors is an integer number (170100).

2^2272237 is an apocalyptic number.

It is an amenable number.

2272237 is a deficient number, since it is larger than the sum of its proper divisors (449363).

2272237 is a wasteful number, since it uses less digits than its factorization.

2272237 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 476.

The product of its digits is 2352, while the sum is 25.

The square root of 2272237 is about 1507.3941090505. The cubic root of 2272237 is about 131.4673399785.

Adding to 2272237 its reverse (7322722), we get a palindrome (9594959).

The spelling of 2272237 in words is "two million, two hundred seventy-two thousand, two hundred thirty-seven".