2806922 has 4 divisors (see below), whose sum is σ = 4210386. Its totient is φ = 1403460.

The previous prime is 2806919. The next prime is 2806961. The reversal of 2806922 is 2296082.

It is a happy number.

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

It can be written as a sum of positive squares in only one way, i.e., 2621161 + 185761 = 1619^2 + 431^2 .

It is a super-2 number, since 2×2806922² = 15757622228168, which contains 22 as substring.

It is an unprimeable number.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 701729 + ... + 701732.

2^2806922 is an apocalyptic number.

2806922 is a deficient number, since it is larger than the sum of its proper divisors (1403464).

2806922 is a wasteful number, since it uses less digits than its factorization.

2806922 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 1403463.

The product of its (nonzero) digits is 3456, while the sum is 29.

The square root of 2806922 is about 1675.3871194443. The cubic root of 2806922 is about 141.0620252574.

The spelling of 2806922 in words is "two million, eight hundred six thousand, nine hundred twenty-two".