222184963225 has 9 divisors (see below), whose sum is σ = 275512276893. Its totient is φ = 177746085120.

The previous prime is 222184963211. The next prime is 222184963237. The reversal of 222184963225 is 522369481222.

The square root of 222184963225 is 471365.

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

It can be written as a sum of positive squares in 4 ways, for example, as 53792916489 + 168392046736 = 231933^2 + 410356^2 .

It is not a de Polignac number, because 222184963225 - 2⁷ = 222184963097 is a prime.

It is a Duffinian number.

It is an unprimeable number.

It is a polite number, since it can be written in 8 ways as a sum of consecutive naturals, for example, 2309689 + ... + 2403961.

Almost surely, 2^222184963225 is an apocalyptic number.

222184963225 is a gapful number since it is divisible by the number (25) formed by its first and last digit.

222184963225 is the 471365-th square number.

222184963225 is the 235683-rd centered octagonal number.

It is an amenable number.

222184963225 is a deficient number, since it is larger than the sum of its proper divisors (53327313668).

222184963225 is an frugal number, since it uses more digits than its factorization.

222184963225 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 188556 (or 94278 counting only the distinct ones).

The product of its digits is 829440, while the sum is 46.

The spelling of 222184963225 in words is "two hundred twenty-two billion, one hundred eighty-four million, nine hundred sixty-three thousand, two hundred twenty-five".