246773221 has 2 divisors, whose sum is σ = 246773222. Its totient is φ = 246773220.

The previous prime is 246773203. The next prime is 246773281. The reversal of 246773221 is 122377642.

It is a weak prime.

It can be written as a sum of positive squares in only one way, i.e., 243672100 + 3101121 = 15610^2 + 1761^2 .

It is a cyclic number.

It is not a de Polignac number, because 246773221 - 2¹⁵ = 246740453 is a prime.

It is a congruent number.

It is not a weakly prime, because it can be changed into another prime (246773201) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 123386610 + 123386611.

It is an arithmetic number, because the mean of its divisors is an integer number (123386611).

Almost surely, 2^246773221 is an apocalyptic number.

It is an amenable number.

246773221 is a deficient number, since it is larger than the sum of its proper divisors (1).

246773221 is an equidigital number, since it uses as much as digits as its factorization.

246773221 is an evil number, because the sum of its binary digits is even.

The product of its digits is 28224, while the sum is 34.

The square root of 246773221 is about 15709.0171875901. The cubic root of 246773221 is about 627.2384552577.

The spelling of 246773221 in words is "two hundred forty-six million, seven hundred seventy-three thousand, two hundred twenty-one".