222847201 has 2 divisors, whose sum is σ = 222847202. Its totient is φ = 222847200.

The previous prime is 222847153. The next prime is 222847211. The reversal of 222847201 is 102748222.

It is a strong prime.

It can be written as a sum of positive squares in only one way, i.e., 126787600 + 96059601 = 11260^2 + 9801^2 .

It is a cyclic number.

It is not a de Polignac number, because 222847201 - 2²⁷ = 88629473 is a prime.

It is a self number, because there is not a number n which added to its sum of digits gives 222847201.

It is not a weakly prime, because it can be changed into another prime (222847211) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (11) of ones.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 111423600 + 111423601.

It is an arithmetic number, because the mean of its divisors is an integer number (111423601).

Almost surely, 2^222847201 is an apocalyptic number.

It is an amenable number.

222847201 is a deficient number, since it is larger than the sum of its proper divisors (1).

222847201 is an equidigital number, since it uses as much as digits as its factorization.

222847201 is an odious number, because the sum of its binary digits is odd.

The product of its (nonzero) digits is 3584, while the sum is 28.

The square root of 222847201 is about 14928.0675574570. The cubic root of 222847201 is about 606.2741636877.

The spelling of 222847201 in words is "two hundred twenty-two million, eight hundred forty-seven thousand, two hundred one".