2729222 has 16 divisors (see below), whose sum is σ = 4222800. Its totient is φ = 1322400.

The previous prime is 2729189. The next prime is 2729227. The reversal of 2729222 is 2229272.

It is a junction number, because it is equal to n+sod(n) for n = 2729191 and 2729200.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (2729227) by changing a digit.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 11804 + ... + 12032.

It is an arithmetic number, because the mean of its divisors is an integer number (263925).

2^2729222 is an apocalyptic number.

2729222 is a deficient number, since it is larger than the sum of its proper divisors (1493578).

2729222 is a wasteful number, since it uses less digits than its factorization.

2729222 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 391.

The product of its digits is 2016, while the sum is 26.

The square root of 2729222 is about 1652.0357138997. The cubic root of 2729222 is about 139.7482209359.

The spelling of 2729222 in words is "two million, seven hundred twenty-nine thousand, two hundred twenty-two".