2272756 has 6 divisors (see below), whose sum is σ = 3977330. Its totient is φ = 1136376.

The previous prime is 2272733. The next prime is 2272757. The reversal of 2272756 is 6572722.

It can be written as a sum of positive squares in only one way, i.e., 1648656 + 624100 = 1284^2 + 790^2 .

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (2272757) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 284091 + ... + 284098.

2^2272756 is an apocalyptic number.

It is an amenable number.

2272756 is a deficient number, since it is larger than the sum of its proper divisors (1704574).

2272756 is a wasteful number, since it uses less digits than its factorization.

2272756 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 568193 (or 568191 counting only the distinct ones).

The product of its digits is 11760, while the sum is 31.

The square root of 2272756 is about 1507.5662506172. The cubic root of 2272756 is about 131.4773486697.

The spelling of 2272756 in words is "two million, two hundred seventy-two thousand, seven hundred fifty-six".