50222891 has 2 divisors, whose sum is σ = 50222892. Its totient is φ = 50222890.

The previous prime is 50222881. The next prime is 50222897. The reversal of 50222891 is 19822205.

It is a strong prime.

It is a cyclic number.

It is a de Polignac number, because none of the positive numbers 2^k-50222891 is a prime.

It is a Sophie Germain prime.

It is not a weakly prime, because it can be changed into another prime (50222897) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (17) of ones.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 25111445 + 25111446.

It is an arithmetic number, because the mean of its divisors is an integer number (25111446).

Almost surely, 2^50222891 is an apocalyptic number.

50222891 is a deficient number, since it is larger than the sum of its proper divisors (1).

50222891 is an equidigital number, since it uses as much as digits as its factorization.

50222891 is an odious number, because the sum of its binary digits is odd.

The product of its (nonzero) digits is 2880, while the sum is 29.

The square root of 50222891 is about 7086.8110599902. The cubic root of 50222891 is about 368.9497634085.

The spelling of 50222891 in words is "fifty million, two hundred twenty-two thousand, eight hundred ninety-one".