223565401 has 4 divisors (see below), whose sum is σ = 223600000. Its totient is φ = 223530804.

The previous prime is 223565327. The next prime is 223565413. The reversal of 223565401 is 104565322.

It is a semiprime because it is the product of two primes, and also a Blum integer, because the two primes are equal to 3 mod 4.

It is a cyclic number.

It is not a de Polignac number, because 223565401 - 2¹⁹ = 223041113 is a prime.

It is a Duffinian number.

It is a self number, because there is not a number n which added to its sum of digits gives 223565401.

It is not an unprimeable number, because it can be changed into a prime (223565491) by changing a digit.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 4401 + ... + 21598.

It is an arithmetic number, because the mean of its divisors is an integer number (55900000).

Almost surely, 2^223565401 is an apocalyptic number.

It is an amenable number.

223565401 is a deficient number, since it is larger than the sum of its proper divisors (34599).

223565401 is an equidigital number, since it uses as much as digits as its factorization.

223565401 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 34598.

The product of its (nonzero) digits is 7200, while the sum is 28.

The square root of 223565401 is about 14952.1035643818. The cubic root of 223565401 is about 606.9247726688.

The spelling of 223565401 in words is "two hundred twenty-three million, five hundred sixty-five thousand, four hundred one".