2922728 has 16 divisors (see below), whose sum is σ = 5534880. Its totient is φ = 1446768.

The previous prime is 2922721. The next prime is 2922737. The reversal of 2922728 is 8272292.

It is a d-powerful number, because it can be written as 2⁴ + 9³ + 2⁸ + 2¹⁰ + 7⁷ + 2²¹ + 8 .

It is a junction number, because it is equal to n+sod(n) for n = 2922694 and 2922703.

It is not an unprimeable number, because it can be changed into a prime (2922721) 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, 950 + ... + 2597.

It is an arithmetic number, because the mean of its divisors is an integer number (345930).

2^2922728 is an apocalyptic number.

It is an amenable number.

2922728 is a deficient number, since it is larger than the sum of its proper divisors (2612152).

2922728 is a wasteful number, since it uses less digits than its factorization.

2922728 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 3656 (or 3652 counting only the distinct ones).

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

The square root of 2922728 is about 1709.5987833407. The cubic root of 2922728 is about 142.9758871759.

The spelling of 2922728 in words is "two million, nine hundred twenty-two thousand, seven hundred twenty-eight".