222430140625 has 147 divisors (see below), whose sum is σ = 356541940111. Its totient is φ = 138657750000.

The previous prime is 222430140587. The next prime is 222430140643. The reversal of 222430140625 is 526041034222.

The square root of 222430140625 is 471625.

It is a perfect power (a square), and thus also a powerful number.

It can be written as a sum of positive squares in 3 ways, for example, as 194870156481 + 27559984144 = 441441^2 + 166012^2 .

It is not a de Polignac number, because 222430140625 - 2¹¹ = 222430138577 is a prime.

It is an unprimeable number.

It is a polite number, since it can be written in 146 ways as a sum of consecutive naturals, for example, 20220921870 + ... + 20220921880.

Almost surely, 2^222430140625 is an apocalyptic number.

222430140625 is a gapful number since it is divisible by the number (25) formed by its first and last digit.

222430140625 is the 471625-th square number.

222430140625 is the 235813-rd centered octagonal number.

It is an amenable number.

222430140625 is a deficient number, since it is larger than the sum of its proper divisors (134111799486).

222430140625 is an frugal number, since it uses more digits than its factorization.

222430140625 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 94 (or 23 counting only the distinct ones).

The product of its (nonzero) digits is 23040, while the sum is 31.

Adding to 222430140625 its reverse (526041034222), we get a palindrome (748471174847).

The spelling of 222430140625 in words is "two hundred twenty-two billion, four hundred thirty million, one hundred forty thousand, six hundred twenty-five".