2922217 has 4 divisors (see below), whose sum is σ = 2944656. Its totient is φ = 2899780.

The previous prime is 2922209. The next prime is 2922221. The reversal of 2922217 is 7122292.

It is a semiprime because it is the product of two primes, and also a Blum integer, because the two primes are equal to 3 mod 4.

It is a cyclic number.

It is not a de Polignac number, because 2922217 - 2³ = 2922209 is a prime.

It is a Duffinian number.

2922217 is a lucky number.

It is a junction number, because it is equal to n+sod(n) for n = 2922191 and 2922200.

It is not an unprimeable number, because it can be changed into a prime (2922247) 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, 11023 + ... + 11284.

It is an arithmetic number, because the mean of its divisors is an integer number (736164).

2^2922217 is an apocalyptic number.

It is an amenable number.

2922217 is a deficient number, since it is larger than the sum of its proper divisors (22439).

2922217 is a wasteful number, since it uses less digits than its factorization.

2922217 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 22438.

The product of its digits is 1008, while the sum is 25.

The square root of 2922217 is about 1709.4493265376. The cubic root of 2922217 is about 142.9675542148.

The spelling of 2922217 in words is "two million, nine hundred twenty-two thousand, two hundred seventeen".