222372436025 has 6 divisors (see below), whose sum is σ = 275741820702. Its totient is φ = 177897948800.

The previous prime is 222372436021. The next prime is 222372436049. The reversal of 222372436025 is 520634273222.

222372436025 is digitally balanced in base 2, because in such base it contains all the possibile digits an equal number of times.

It can be written as a sum of positive squares in 3 ways, for example, as 16103863801 + 206268572224 = 126901^2 + 454168^2 .

It is not a de Polignac number, because 222372436025 - 2² = 222372436021 is a prime.

It is a Duffinian number.

It is a self number, because there is not a number n which added to its sum of digits gives 222372436025.

It is not an unprimeable number, because it can be changed into a prime (222372436021) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (19) of ones.

It is a polite number, since it can be written in 5 ways as a sum of consecutive naturals, for example, 4447448696 + ... + 4447448745.

It is an arithmetic number, because the mean of its divisors is an integer number (45956970117).

Almost surely, 2^222372436025 is an apocalyptic number.

222372436025 is a gapful number since it is divisible by the number (25) formed by its first and last digit.

It is an amenable number.

222372436025 is a deficient number, since it is larger than the sum of its proper divisors (53369384677).

222372436025 is an equidigital number, since it uses as much as digits as its factorization.

222372436025 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 8894897451 (or 8894897446 counting only the distinct ones).

The product of its (nonzero) digits is 241920, while the sum is 38.

The spelling of 222372436025 in words is "two hundred twenty-two billion, three hundred seventy-two million, four hundred thirty-six thousand, twenty-five".