2922291 has 8 divisors (see below), whose sum is σ = 4329360. Its totient is φ = 1948176.

The previous prime is 2922287. The next prime is 2922307. The reversal of 2922291 is 1922292.

It is not a de Polignac number, because 2922291 - 2² = 2922287 is a prime.

It is a Harshad number since it is a multiple of its sum of digits (27), and also a Moran number because the ratio is a prime number: 108233 = 2922291 / (2 + 9 + 2 + 2 + 2 + 9 + 1).

2922291 is a lucky number.

It is not an unprimeable number, because it can be changed into a prime (2922221) 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, 54090 + ... + 54143.

It is an arithmetic number, because the mean of its divisors is an integer number (541170).

2^2922291 is an apocalyptic number.

2922291 is a deficient number, since it is larger than the sum of its proper divisors (1407069).

2922291 is a wasteful number, since it uses less digits than its factorization.

2922291 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 108242 (or 108236 counting only the distinct ones).

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

The square root of 2922291 is about 1709.4709707977. The cubic root of 2922291 is about 142.9687610051.

Subtracting from 2922291 its reverse (1922292), we obtain a palindrome (999999).

It can be divided in two parts, 292229 and 1, that added together give a triangular number (292230 = T₇₆₄).

The spelling of 2922291 in words is "two million, nine hundred twenty-two thousand, two hundred ninety-one".