222403324420 has 48 divisors (see below), whose sum is σ = 488720333808. Its totient is φ = 84923804160.

The previous prime is 222403324391. The next prime is 222403324421. The reversal of 222403324420 is 24423304222.

It is a happy number.

It can be written as a sum of positive squares in 8 ways, for example, as 200448964 + 222202875456 = 14158^2 + 471384^2 .

It is not an unprimeable number, because it can be changed into a prime (222403324421) by changing a digit.

It is a polite number, since it can be written in 15 ways as a sum of consecutive naturals, for example, 2796111 + ... + 2874550.

It is an arithmetic number, because the mean of its divisors is an integer number (10181673621).

Almost surely, 2^222403324420 is an apocalyptic number.

222403324420 is a gapful number since it is divisible by the number (20) formed by its first and last digit.

It is an amenable number.

222403324420 is an abundant number, since it is smaller than the sum of its proper divisors (266317009388).

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

222403324420 is a wasteful number, since it uses less digits than its factorization.

222403324420 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 5670760 (or 5670758 counting only the distinct ones).

The product of its (nonzero) digits is 18432, while the sum is 28.

Adding to 222403324420 its reverse (24423304222), we get a palindrome (246826628642).

The spelling of 222403324420 in words is "two hundred twenty-two billion, four hundred three million, three hundred twenty-four thousand, four hundred twenty".