2922389 has 4 divisors (see below), whose sum is σ = 2926080. Its totient is φ = 2918700.

The previous prime is 2922383. The next prime is 2922391. The reversal of 2922389 is 9832292.

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, and also a brilliant number, because the two primes have the same length.

It is a cyclic number.

It is not a de Polignac number, because 2922389 - 2⁴ = 2922373 is a prime.

It is a d-powerful number, because it can be written as 2⁷ + 9⁴ + 2¹⁸ + 2²⁰ + 3¹³ + 8⁴ + 9⁴ .

It is a Duffinian number.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (2922383) 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, 119 + ... + 2420.

It is an arithmetic number, because the mean of its divisors is an integer number (731520).

2^2922389 is an apocalyptic number.

It is an amenable number.

2922389 is a deficient number, since it is larger than the sum of its proper divisors (3691).

2922389 is a wasteful number, since it uses less digits than its factorization.

2922389 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 3690.

The product of its digits is 15552, while the sum is 35.

The square root of 2922389 is about 1709.4996343960. The cubic root of 2922389 is about 142.9703591555.

Subtracting 2922389 from its reverse (9832292), we obtain a triangular number (6909903 = T₃₇₁₇).

The spelling of 2922389 in words is "two million, nine hundred twenty-two thousand, three hundred eighty-nine".