95972221 has 2 divisors, whose sum is σ = 95972222. Its totient is φ = 95972220.

The previous prime is 95972209. The next prime is 95972231. The reversal of 95972221 is 12227959.

It is a strong prime.

It can be written as a sum of positive squares in only one way, i.e., 60140025 + 35832196 = 7755^2 + 5986^2 .

It is an emirp because it is prime and its reverse (12227959) is a distict prime.

It is a cyclic number.

It is not a de Polignac number, because 95972221 - 2²¹ = 93875069 is a prime.

It is a congruent number.

It is not a weakly prime, because it can be changed into another prime (95972231) 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, 47986110 + 47986111.

It is an arithmetic number, because the mean of its divisors is an integer number (47986111).

Almost surely, 2^95972221 is an apocalyptic number.

It is an amenable number.

95972221 is a deficient number, since it is larger than the sum of its proper divisors (1).

95972221 is an equidigital number, since it uses as much as digits as its factorization.

95972221 is an odious number, because the sum of its binary digits is odd.

The product of its digits is 22680, while the sum is 37.

The square root of 95972221 is about 9796.5412774101. The cubic root of 95972221 is about 457.8415274594.

The spelling of 95972221 in words is "ninety-five million, nine hundred seventy-two thousand, two hundred twenty-one".