223930481 has 2 divisors, whose sum is σ = 223930482. Its totient is φ = 223930480.

The previous prime is 223930423. The next prime is 223930571. The reversal of 223930481 is 184039322.

It is a happy number.

223930481 is digitally balanced in base 2, because in such base it contains all the possibile digits an equal number of times.

It is a weak prime.

It can be written as a sum of positive squares in only one way, i.e., 223801600 + 128881 = 14960^2 + 359^2 .

It is a cyclic number.

It is not a de Polignac number, because 223930481 - 2²² = 219736177 is a prime.

It is a super-2 number, since 2×223930481² = 100289720641782722, which contains 22 as substring.

It is not a weakly prime, because it can be changed into another prime (223930781) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 111965240 + 111965241.

It is an arithmetic number, because the mean of its divisors is an integer number (111965241).

Almost surely, 2^223930481 is an apocalyptic number.

It is an amenable number.

223930481 is a deficient number, since it is larger than the sum of its proper divisors (1).

223930481 is an equidigital number, since it uses as much as digits as its factorization.

223930481 is an evil number, because the sum of its binary digits is even.

The product of its (nonzero) digits is 10368, while the sum is 32.

The square root of 223930481 is about 14964.3069000873. The cubic root of 223930481 is about 607.2549603064.

The spelling of 223930481 in words is "two hundred twenty-three million, nine hundred thirty thousand, four hundred eighty-one".