2272724 has 12 divisors (see below), whose sum is σ = 3996384. Its totient is φ = 1130904.

The previous prime is 2272691. The next prime is 2272727. The reversal of 2272724 is 4272722.

It is a happy number.

2272724 is digitally balanced in base 2, because in such base it contains all the possibile digits an equal number of times.

It is a super-3 number, since 3×2272724³ = 35217729151233358272, which contains 333 as substring.

It is a junction number, because it is equal to n+sod(n) for n = 2272693 and 2272702.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (2272727) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (11) of ones.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 344 + ... + 2159.

It is an arithmetic number, because the mean of its divisors is an integer number (333032).

2^2272724 is an apocalyptic number.

It is an amenable number.

2272724 is a deficient number, since it is larger than the sum of its proper divisors (1723660).

2272724 is a wasteful number, since it uses less digits than its factorization.

2272724 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 2734 (or 2732 counting only the distinct ones).

The product of its digits is 3136, while the sum is 26.

The square root of 2272724 is about 1507.5556374476. Note that the first 3 decimals coincide. The cubic root of 2272724 is about 131.4767316076.

The spelling of 2272724 in words is "two million, two hundred seventy-two thousand, seven hundred twenty-four".