223030477 has 2 divisors, whose sum is σ = 223030478. Its totient is φ = 223030476.

The previous prime is 223030469. The next prime is 223030541. The reversal of 223030477 is 774030322.

It is a weak prime.

It can be written as a sum of positive squares in only one way, i.e., 219454596 + 3575881 = 14814^2 + 1891^2 .

It is a cyclic number.

It is not a de Polignac number, because 223030477 - 2³ = 223030469 is a prime.

It is a congruent number.

It is not a weakly prime, because it can be changed into another prime (223030177) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 111515238 + 111515239.

It is an arithmetic number, because the mean of its divisors is an integer number (111515239).

Almost surely, 2^223030477 is an apocalyptic number.

It is an amenable number.

223030477 is a deficient number, since it is larger than the sum of its proper divisors (1).

223030477 is an equidigital number, since it uses as much as digits as its factorization.

223030477 is an odious number, because the sum of its binary digits is odd.

The product of its (nonzero) digits is 7056, while the sum is 28.

The square root of 223030477 is about 14934.2049336414. The cubic root of 223030477 is about 606.4403239618.

Adding to 223030477 its reverse (774030322), we get a palindrome (997060799).

The spelling of 223030477 in words is "two hundred twenty-three million, thirty thousand, four hundred seventy-seven".