95801221 has 2 divisors, whose sum is σ = 95801222. Its totient is φ = 95801220.

The previous prime is 95801219. The next prime is 95801231. The reversal of 95801221 is 12210859.

It is a weak prime.

It can be written as a sum of positive squares in only one way, i.e., 52056225 + 43744996 = 7215^2 + 6614^2 .

It is a cyclic number.

It is not a de Polignac number, because 95801221 - 2¹ = 95801219 is a prime.

Together with 95801219, it forms a pair of twin primes.

It is a self number, because there is not a number n which added to its sum of digits gives 95801221.

It is a congruent number.

It is not a weakly prime, because it can be changed into another prime (95801231) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 47900610 + 47900611.

It is an arithmetic number, because the mean of its divisors is an integer number (47900611).

Almost surely, 2^95801221 is an apocalyptic number.

It is an amenable number.

95801221 is a deficient number, since it is larger than the sum of its proper divisors (1).

95801221 is an equidigital number, since it uses as much as digits as its factorization.

95801221 is an evil number, because the sum of its binary digits is even.

The product of its (nonzero) digits is 1440, while the sum is 28.

The square root of 95801221 is about 9787.8098162970. The cubic root of 95801221 is about 457.5694437073.

It can be divided in two parts, 9580 and 1221, that added together give a palindrome (10801).

The spelling of 95801221 in words is "ninety-five million, eight hundred one thousand, two hundred twenty-one".