223401401 has 2 divisors, whose sum is σ = 223401402. Its totient is φ = 223401400.

The previous prime is 223401397. The next prime is 223401439. The reversal of 223401401 is 104104322.

It is a weak prime.

It can be written as a sum of positive squares in only one way, i.e., 192543376 + 30858025 = 13876^2 + 5555^2 .

It is a cyclic number.

It is not a de Polignac number, because 223401401 - 2² = 223401397 is a prime.

It is a Chen prime.

It is a self number, because there is not a number n which added to its sum of digits gives 223401401.

It is not a weakly prime, because it can be changed into another prime (223401701) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 111700700 + 111700701.

It is an arithmetic number, because the mean of its divisors is an integer number (111700701).

Almost surely, 2^223401401 is an apocalyptic number.

It is an amenable number.

223401401 is a deficient number, since it is larger than the sum of its proper divisors (1).

223401401 is an equidigital number, since it uses as much as digits as its factorization.

223401401 is an odious number, because the sum of its binary digits is odd.

The product of its (nonzero) digits is 192, while the sum is 17.

The square root of 223401401 is about 14946.6183800885. The cubic root of 223401401 is about 606.7763298852.

Adding to 223401401 its reverse (104104322), we get a palindrome (327505723).

The spelling of 223401401 in words is "two hundred twenty-three million, four hundred one thousand, four hundred one".