2729822 has 4 divisors (see below), whose sum is σ = 4094736. Its totient is φ = 1364910.

The previous prime is 2729819. The next prime is 2729827. The reversal of 2729822 is 2289272.

It is a semiprime because it is the product of two primes.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (2729827) 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 as a sum of consecutive naturals, namely, 682454 + ... + 682457.

It is an arithmetic number, because the mean of its divisors is an integer number (1023684).

2^2729822 is an apocalyptic number.

2729822 is a deficient number, since it is larger than the sum of its proper divisors (1364914).

2729822 is a wasteful number, since it uses less digits than its factorization.

2729822 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 1364913.

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

The square root of 2729822 is about 1652.2172980574. The cubic root of 2729822 is about 139.7584610689.

The spelling of 2729822 in words is "two million, seven hundred twenty-nine thousand, eight hundred twenty-two".