222453220404520 has 32 divisors (see below), whose sum is σ = 572022566755200. Its totient is φ = 76269675567168.

The previous prime is 222453220404511. The next prime is 222453220404577. The reversal of 222453220404520 is 25404022354222.

222453220404520 is digitally balanced in base 2, because in such base it contains all the possibile digits an equal number of times.

It is a self number, because there is not a number n which added to its sum of digits gives 222453220404520.

It is an unprimeable number.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 397237893300 + ... + 397237893859.

It is an arithmetic number, because the mean of its divisors is an integer number (17875705211100).

Almost surely, 2^{222453220404520} is an apocalyptic number.

222453220404520 is a gapful number since it is divisible by the number (20) formed by its first and last digit.

It is an amenable number.

222453220404520 is an abundant number, since it is smaller than the sum of its proper divisors (349569346350680).

It is a pseudoperfect number, because it is the sum of a subset of its proper divisors.

222453220404520 is a wasteful number, since it uses less digits than its factorization.

222453220404520 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 794475787177 (or 794475787173 counting only the distinct ones).

The product of its (nonzero) digits is 307200, while the sum is 37.

Adding to 222453220404520 its reverse (25404022354222), we get a palindrome (247857242758742).

The spelling of 222453220404520 in words is "two hundred twenty-two trillion, four hundred fifty-three billion, two hundred twenty million, four hundred four thousand, five hundred twenty".