2922739 has 2 divisors, whose sum is σ = 2922740. Its totient is φ = 2922738.

The previous prime is 2922737. The next prime is 2922743. The reversal of 2922739 is 9372292.

It is a weak prime.

It is a cyclic number.

It is not a de Polignac number, because 2922739 - 2¹ = 2922737 is a prime.

Together with 2922737, it forms a pair of twin primes.

It is not a weakly prime, because it can be changed into another prime (2922737) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 1461369 + 1461370.

It is an arithmetic number, because the mean of its divisors is an integer number (1461370).

2^2922739 is an apocalyptic number.

2922739 is a deficient number, since it is larger than the sum of its proper divisors (1).

2922739 is an equidigital number, since it uses as much as digits as its factorization.

2922739 is an evil number, because the sum of its binary digits is even.

The product of its digits is 13608, while the sum is 34.

The square root of 2922739 is about 1709.6020004668. The cubic root of 2922739 is about 142.9760665441.

The spelling of 2922739 in words is "two million, nine hundred twenty-two thousand, seven hundred thirty-nine".