49967221 has 2 divisors, whose sum is σ = 49967222. Its totient is φ = 49967220.

The previous prime is 49967213. The next prime is 49967231. The reversal of 49967221 is 12276994.

It is a weak prime.

It can be written as a sum of positive squares in only one way, i.e., 42432196 + 7535025 = 6514^2 + 2745^2 .

It is a cyclic number.

It is not a de Polignac number, because 49967221 - 2³ = 49967213 is a prime.

It is a Chen prime.

It is a congruent number.

It is not a weakly prime, because it can be changed into another prime (49967231) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 24983610 + 24983611.

It is an arithmetic number, because the mean of its divisors is an integer number (24983611).

Almost surely, 2^49967221 is an apocalyptic number.

It is an amenable number.

49967221 is a deficient number, since it is larger than the sum of its proper divisors (1).

49967221 is an equidigital number, since it uses as much as digits as its factorization.

49967221 is an odious number, because the sum of its binary digits is odd.

The product of its digits is 54432, while the sum is 40.

The square root of 49967221 is about 7068.7496065429. The cubic root of 49967221 is about 368.3226263526.

The spelling of 49967221 in words is "forty-nine million, nine hundred sixty-seven thousand, two hundred twenty-one".