801224771 has 2 divisors, whose sum is σ = 801224772. Its totient is φ = 801224770.

The previous prime is 801224759. The next prime is 801224821. The reversal of 801224771 is 177422108.

It is a happy number.

801224771 is digitally balanced in base 2, because in such base it contains all the possibile digits an equal number of times.

It is a weak prime.

It is a cyclic number.

It is not a de Polignac number, because 801224771 - 2¹⁸ = 800962627 is a prime.

It is a super-2 number, since 2×801224771² = 1283922267328004882, which contains 22 as substring.

It is not a weakly prime, because it can be changed into another prime (801223771) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 400612385 + 400612386.

It is an arithmetic number, because the mean of its divisors is an integer number (400612386).

Almost surely, 2^801224771 is an apocalyptic number.

801224771 is a deficient number, since it is larger than the sum of its proper divisors (1).

801224771 is an equidigital number, since it uses as much as digits as its factorization.

801224771 is an odious number, because the sum of its binary digits is odd.

The product of its (nonzero) digits is 6272, while the sum is 32.

The square root of 801224771 is about 28305.9140640256. The cubic root of 801224771 is about 928.7912654513.

Adding to 801224771 its reverse (177422108), we get a palindrome (978646879).

The spelling of 801224771 in words is "eight hundred one million, two hundred twenty-four thousand, seven hundred seventy-one".