223344401 has 6 divisors (see below), whose sum is σ = 259808850. Its totient is φ = 191438016.

The previous prime is 223344397. The next prime is 223344409. The reversal of 223344401 is 104443322.

It can be written as a sum of positive squares in only one way, i.e., 202322176 + 21022225 = 14224^2 + 4585^2 .

It is not a de Polignac number, because 223344401 - 2² = 223344397 is a prime.

It is not an unprimeable number, because it can be changed into a prime (223344409) 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 in 5 ways as a sum of consecutive naturals, for example, 2278976 + ... + 2279073.

It is an arithmetic number, because the mean of its divisors is an integer number (43301475).

Almost surely, 2^223344401 is an apocalyptic number.

It is an amenable number.

223344401 is a deficient number, since it is larger than the sum of its proper divisors (36464449).

223344401 is an equidigital number, since it uses as much as digits as its factorization.

223344401 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 4558063 (or 4558056 counting only the distinct ones).

The product of its (nonzero) digits is 2304, while the sum is 23.

The square root of 223344401 is about 14944.7114726247. The cubic root of 223344401 is about 606.7247199541.

Adding to 223344401 its reverse (104443322), we get a palindrome (327787723).

The spelling of 223344401 in words is "two hundred twenty-three million, three hundred forty-four thousand, four hundred one".