223882481066209 has 27 divisors (see below), whose sum is σ = 276657770953593. Its totient is φ = 180609640743168.

The previous prime is 223882481066201. The next prime is 223882481066267. The reversal of 223882481066209 is 902660184288322.

The square root of 223882481066209 is 14962703.

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

223882481066209 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 4 ways, for example, as 48753253416609 + 175129227649600 = 6982353^2 + 13233640^2 .

It is not a de Polignac number, because 223882481066209 - 2³ = 223882481066201 is a prime.

It is a super-2 number, since 2×223882481066209² (a number of 30 digits) contains 22 as substring.

It is a Duffinian number.

It is not an unprimeable number, because it can be changed into a prime (223882481066201) by changing a digit.

It is a polite number, since it can be written in 26 ways as a sum of consecutive naturals, for example, 1780498789 + ... + 1780624525.

Almost surely, 2^{223882481066209} is an apocalyptic number.

223882481066209 is the 14962703-rd square number.

223882481066209 is the 7481352-nd centered octagonal number.

It is an amenable number.

223882481066209 is a deficient number, since it is larger than the sum of its proper divisors (52775289887384).

223882481066209 is an frugal number, since it uses more digits than its factorization.

223882481066209 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 251522 (or 125761 counting only the distinct ones).

The product of its (nonzero) digits is 31850496, while the sum is 61.

The spelling of 223882481066209 in words is "two hundred twenty-three trillion, eight hundred eighty-two billion, four hundred eighty-one million, sixty-six thousand, two hundred nine".