2922921 has 12 divisors (see below), whose sum is σ = 4276480. Its totient is φ = 1923480.

The previous prime is 2922911. The next prime is 2922961. The reversal of 2922921 is 1292292.

2922921 is digitally balanced in base 2, because in such base it contains all the possibile digits an equal number of times.

It is not a de Polignac number, because 2922921 - 2¹⁴ = 2906537 is a prime.

It is a Duffinian number.

2922921 is a lucky number.

It is a nialpdrome in base 9.

It is not an unprimeable number, because it can be changed into a prime (2922911) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (11) of ones.

It is a polite number, since it can be written in 11 ways as a sum of consecutive naturals, for example, 1345 + ... + 2766.

2^2922921 is an apocalyptic number.

It is an amenable number.

2922921 is a deficient number, since it is larger than the sum of its proper divisors (1353559).

2922921 is a wasteful number, since it uses less digits than its factorization.

2922921 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 4196 (or 4193 counting only the distinct ones).

The product of its digits is 1296, while the sum is 27.

The square root of 2922921 is about 1709.6552284013. The cubic root of 2922921 is about 142.9790342060.

The spelling of 2922921 in words is "two million, nine hundred twenty-two thousand, nine hundred twenty-one".