4422391 has 2 divisors, whose sum is σ = 4422392. Its totient is φ = 4422390.

The previous prime is 4422361. The next prime is 4422401. The reversal of 4422391 is 1932244.

It is a strong prime.

It is a cyclic number.

It is not a de Polignac number, because 4422391 - 2⁵ = 4422359 is a prime.

It is a super-3 number, since 3×4422391³ (a number of 21 digits) contains 333 as substring.

It is a congruent number.

It is not a weakly prime, because it can be changed into another prime (4422311) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 2211195 + 2211196.

It is an arithmetic number, because the mean of its divisors is an integer number (2211196).

Almost surely, 2^4422391 is an apocalyptic number.

4422391 is a deficient number, since it is larger than the sum of its proper divisors (1).

4422391 is an equidigital number, since it uses as much as digits as its factorization.

4422391 is an odious number, because the sum of its binary digits is odd.

The product of its digits is 1728, while the sum is 25.

The square root of 4422391 is about 2102.9481686433. The cubic root of 4422391 is about 164.1417448949.

The spelling of 4422391 in words is "four million, four hundred twenty-two thousand, three hundred ninety-one".