4922191 has 2 divisors, whose sum is σ = 4922192. Its totient is φ = 4922190.

The previous prime is 4922179. The next prime is 4922201. The reversal of 4922191 is 1912294.

It is a happy number.

It is a strong prime.

It is a cyclic number.

It is not a de Polignac number, because 4922191 - 2¹³ = 4913999 is a prime.

4922191 is a lucky number.

It is a congruent number.

It is not a weakly prime, because it can be changed into another prime (4922101) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (13) of ones.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 2461095 + 2461096.

It is an arithmetic number, because the mean of its divisors is an integer number (2461096).

Almost surely, 2^4922191 is an apocalyptic number.

4922191 is a deficient number, since it is larger than the sum of its proper divisors (1).

4922191 is an equidigital number, since it uses as much as digits as its factorization.

4922191 is an odious number, because the sum of its binary digits is odd.

The product of its digits is 1296, while the sum is 28.

The square root of 4922191 is about 2218.6011358511. The cubic root of 4922191 is about 170.1059431902.

The spelling of 4922191 in words is "four million, nine hundred twenty-two thousand, one hundred ninety-one".