223444133401 has 16 divisors (see below), whose sum is σ = 245268062208. Its totient is φ = 202642905600.

The previous prime is 223444133369. The next prime is 223444133459. The reversal of 223444133401 is 104331444322.

It is a cyclic number.

It is not a de Polignac number, because 223444133401 - 2⁵ = 223444133369 is a prime.

It is a Harshad number since it is a multiple of its sum of digits (31).

It is a Duffinian number.

It is not an unprimeable number, because it can be changed into a prime (223444133501) 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 15 ways as a sum of consecutive naturals, for example, 787065 + ... + 1032646.

It is an arithmetic number, because the mean of its divisors is an integer number (15329253888).

Almost surely, 2^223444133401 is an apocalyptic number.

It is an amenable number.

223444133401 is a deficient number, since it is larger than the sum of its proper divisors (21823928807).

223444133401 is a wasteful number, since it uses less digits than its factorization.

223444133401 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 1819992.

The product of its (nonzero) digits is 27648, while the sum is 31.

Adding to 223444133401 its reverse (104331444322), we get a palindrome (327775577723).

The spelling of 223444133401 in words is "two hundred twenty-three billion, four hundred forty-four million, one hundred thirty-three thousand, four hundred one".