2729228 has 6 divisors (see below), whose sum is σ = 4776156. Its totient is φ = 1364612.

The previous prime is 2729227. The next prime is 2729239. The reversal of 2729228 is 8229272.

It is a junction number, because it is equal to n+sod(n) for n = 2729194 and 2729203.

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 as a sum of consecutive naturals, namely, 341150 + ... + 341157.

It is an arithmetic number, because the mean of its divisors is an integer number (796026).

2^2729228 is an apocalyptic number.

It is an amenable number.

2729228 is a deficient number, since it is larger than the sum of its proper divisors (2046928).

2729228 is a wasteful number, since it uses less digits than its factorization.

2729228 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 682311 (or 682309 counting only the distinct ones).

The product of its digits is 8064, while the sum is 32.

The square root of 2729228 is about 1652.0375298400. The cubic root of 2729228 is about 139.7483233446.

The spelling of 2729228 in words is "two million, seven hundred twenty-nine thousand, two hundred twenty-eight".