222043576225 has 27 divisors (see below), whose sum is σ = 279373801689. Its totient is φ = 175065796800.

The previous prime is 222043576219. The next prime is 222043576231. The reversal of 222043576225 is 522675340222.

The square root of 222043576225 is 471215.

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

222043576225 is digitally balanced in base 2, because in such base it contains all the possibile digits an equal number of times.

It is an interprime number because it is at equal distance from previous prime (222043576219) and next prime (222043576231).

It can be written as a sum of positive squares in 4 ways, for example, as 1215010449 + 220828565776 = 34857^2 + 469924^2 .

It is not a de Polignac number, because 222043576225 - 2¹¹ = 222043574177 is a prime.

It is a Duffinian number.

It is an unprimeable number.

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 26 ways as a sum of consecutive naturals, for example, 171992830 + ... + 171994120.

Almost surely, 2^222043576225 is an apocalyptic number.

222043576225 is a gapful number since it is divisible by the number (25) formed by its first and last digit.

222043576225 is the 471215-th square number.

222043576225 is the 235608-th centered octagonal number.

It is an amenable number.

222043576225 is a deficient number, since it is larger than the sum of its proper divisors (57330225464).

222043576225 is an frugal number, since it uses more digits than its factorization.

222043576225 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 2738 (or 1369 counting only the distinct ones).

The product of its (nonzero) digits is 403200, while the sum is 40.

The spelling of 222043576225 in words is "two hundred twenty-two billion, forty-three million, five hundred seventy-six thousand, two hundred twenty-five".