223445320025146 has 8 divisors (see below), whose sum is σ = 335173332038400. Its totient is φ = 111720876012348.

The previous prime is 223445320025141. The next prime is 223445320025149. The reversal of 223445320025146 is 641520023544322.

It is a sphenic number, since it is the product of 3 distinct primes.

It is a super-2 number, since 2×223445320025146² (a number of 29 digits) contains 22 as substring.

It is not an unprimeable number, because it can be changed into a prime (223445320025141) 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, 891843546 + ... + 892094053.

It is an arithmetic number, because the mean of its divisors is an integer number (41896666504800).

Almost surely, 2^{223445320025146} is an apocalyptic number.

223445320025146 is a deficient number, since it is larger than the sum of its proper divisors (111728012013254).

223445320025146 is a wasteful number, since it uses less digits than its factorization.

223445320025146 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 1784000228.

The product of its (nonzero) digits is 1382400, while the sum is 43.

Adding to 223445320025146 its reverse (641520023544322), we get a palindrome (864965343569468).

The spelling of 223445320025146 in words is "two hundred twenty-three trillion, four hundred forty-five billion, three hundred twenty million, twenty-five thousand, one hundred forty-six".