223220044450406 has 32 divisors (see below), whose sum is σ = 337908292920000. Its totient is φ = 110587734974592.

The previous prime is 223220044450397. The next prime is 223220044450477. The reversal of 223220044450406 is 604054440022322.

223220044450406 is digitally balanced in base 2, because in such base it contains all the possibile digits an equal number of times.

It is a super-3 number, since 3×223220044450406³ (a number of 44 digits) contains 333 as substring.

It is a self number, because there is not a number n which added to its sum of digits gives 223220044450406.

It is a congruent number.

It is an unprimeable number.

It is a polite number, since it can be written in 15 ways as a sum of consecutive naturals, for example, 711122300 + ... + 711436128.

It is an arithmetic number, because the mean of its divisors is an integer number (10559634153750).

Almost surely, 2^{223220044450406} is an apocalyptic number.

223220044450406 is a deficient number, since it is larger than the sum of its proper divisors (114688248469594).

223220044450406 is a wasteful number, since it uses less digits than its factorization.

223220044450406 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 319856.

The product of its (nonzero) digits is 368640, while the sum is 38.

Adding to 223220044450406 its reverse (604054440022322), we get a palindrome (827274484472728).

The spelling of 223220044450406 in words is "two hundred twenty-three trillion, two hundred twenty billion, forty-four million, four hundred fifty thousand, four hundred six".