224222077 has 2 divisors, whose sum is σ = 224222078. Its totient is φ = 224222076.

The previous prime is 224222057. The next prime is 224222083. The reversal of 224222077 is 770222422.

It is a strong prime.

It can be written as a sum of positive squares in only one way, i.e., 116186841 + 108035236 = 10779^2 + 10394^2 .

It is a cyclic number.

It is a de Polignac number, because none of the positive numbers 2^k-224222077 is a prime.

It is a Chen prime.

It is a pancake number, because a pancake can be divided into 224222077 parts by 21176 straight cuts.

It is equal to p_12342394 and since 224222077 and 12342394 have the same sum of digits, it is a Honaker prime.

It is a congruent number.

It is not a weakly prime, because it can be changed into another prime (224222057) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (19) of ones.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 112111038 + 112111039.

It is an arithmetic number, because the mean of its divisors is an integer number (112111039).

Almost surely, 2^224222077 is an apocalyptic number.

It is an amenable number.

224222077 is a deficient number, since it is larger than the sum of its proper divisors (1).

224222077 is an equidigital number, since it uses as much as digits as its factorization.

224222077 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 28.

The square root of 224222077 is about 14974.0467810141. The cubic root of 224222077 is about 607.5184294454.

Adding to 224222077 its reverse (770222422), we get a palindrome (994444499).

The spelling of 224222077 in words is "two hundred twenty-four million, two hundred twenty-two thousand, seventy-seven".