477222223 has 2 divisors, whose sum is σ = 477222224. Its totient is φ = 477222222.

The previous prime is 477222217. The next prime is 477222227. The reversal of 477222223 is 322222774.

It is a strong prime.

It is a cyclic number.

It is not a de Polignac number, because 477222223 - 2²¹ = 475125071 is a prime.

It is a congruent number.

It is not a weakly prime, because it can be changed into another prime (477222227) 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, 238611111 + 238611112.

It is an arithmetic number, because the mean of its divisors is an integer number (238611112).

Almost surely, 2^477222223 is an apocalyptic number.

477222223 is a deficient number, since it is larger than the sum of its proper divisors (1).

477222223 is an equidigital number, since it uses as much as digits as its factorization.

477222223 is an odious number, because the sum of its binary digits is odd.

The product of its digits is 18816, while the sum is 31.

The square root of 477222223 is about 21845.4165215498. The cubic root of 477222223 is about 781.4602401388.

Adding to 477222223 its reverse (322222774), we get a palindrome (799444997).

The spelling of 477222223 in words is "four hundred seventy-seven million, two hundred twenty-two thousand, two hundred twenty-three".