2782722 has 8 divisors (see below), whose sum is σ = 5565456. Its totient is φ = 927572.

The previous prime is 2782709. The next prime is 2782723. The reversal of 2782722 is 2272872.

It is a sphenic number, since it is the product of 3 distinct primes.

2782722 is an admirable number.

It is a self number, because there is not a number n which added to its sum of digits gives 2782722.

It is not an unprimeable number, because it can be changed into a prime (2782723) by changing a digit.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 231888 + ... + 231899.

It is an arithmetic number, because the mean of its divisors is an integer number (695682).

2^2782722 is an apocalyptic number.

2782722 is a primitive abundant number, since it is smaller than the sum of its proper divisors, none of which is abundant.

It is a pseudoperfect number, because it is the sum of a subset of its proper divisors.

2782722 is a wasteful number, since it uses less digits than its factorization.

2782722 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 463792.

The product of its digits is 6272, while the sum is 30.

The square root of 2782722 is about 1668.1492738961. The cubic root of 2782722 is about 140.6554638199.

The spelling of 2782722 in words is "two million, seven hundred eighty-two thousand, seven hundred twenty-two".