2922778 has 16 divisors (see below), whose sum is σ = 4552704. Its totient is φ = 1406160.

The previous prime is 2922769. The next prime is 2922779. The reversal of 2922778 is 8772292.

It is a Harshad number since it is a multiple of its sum of digits (37).

It is not an unprimeable number, because it can be changed into a prime (2922779) 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, 9243 + ... + 9553.

It is an arithmetic number, because the mean of its divisors is an integer number (284544).

2^2922778 is an apocalyptic number.

2922778 is a deficient number, since it is larger than the sum of its proper divisors (1629926).

2922778 is a wasteful number, since it uses less digits than its factorization.

2922778 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 477.

The product of its digits is 28224, while the sum is 37.

The square root of 2922778 is about 1709.6134065923. The cubic root of 2922778 is about 142.9767024820.

The spelling of 2922778 in words is "two million, nine hundred twenty-two thousand, seven hundred seventy-eight".