49220291 has 2 divisors, whose sum is σ = 49220292. Its totient is φ = 49220290.

The previous prime is 49220267. The next prime is 49220309. The reversal of 49220291 is 19202294.

It is a strong prime.

It is a cyclic number.

It is not a de Polignac number, because 49220291 - 2¹⁴ = 49203907 is a prime.

It is a super-2 number, since 2×49220291² = 4845274092249362, which contains 22 as substring.

It is a Sophie Germain prime.

It is a Chen prime.

It is not a weakly prime, because it can be changed into another prime (49220231) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 24610145 + 24610146.

It is an arithmetic number, because the mean of its divisors is an integer number (24610146).

Almost surely, 2^49220291 is an apocalyptic number.

49220291 is a deficient number, since it is larger than the sum of its proper divisors (1).

49220291 is an equidigital number, since it uses as much as digits as its factorization.

49220291 is an evil number, because the sum of its binary digits is even.

The product of its (nonzero) digits is 2592, while the sum is 29.

The square root of 49220291 is about 7015.7174258945. The cubic root of 49220291 is about 366.4781268528.

The spelling of 49220291 in words is "forty-nine million, two hundred twenty thousand, two hundred ninety-one".