223549290889 has 8 divisors (see below), whose sum is σ = 229088012328. Its totient is φ = 218014679040.

The previous prime is 223549290883. The next prime is 223549290893. The reversal of 223549290889 is 988092945322.

It can be written as a sum of positive squares in 4 ways, for example, as 17015625 + 223532275264 = 4125^2 + 472792^2 .

It is a sphenic number, since it is the product of 3 distinct primes.

It is a cyclic number.

It is a de Polignac number, because none of the positive numbers 2^k-223549290889 is a prime.

It is a Duffinian number.

It is not an unprimeable number, because it can be changed into a prime (223549290883) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (17) of ones.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 917112 + ... + 1134985.

It is an arithmetic number, because the mean of its divisors is an integer number (28636001541).

Almost surely, 2^223549290889 is an apocalyptic number.

It is an amenable number.

223549290889 is a deficient number, since it is larger than the sum of its proper divisors (5538721439).

223549290889 is a wasteful number, since it uses less digits than its factorization.

223549290889 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 2054795.

The product of its (nonzero) digits is 22394880, while the sum is 61.

The spelling of 223549290889 in words is "two hundred twenty-three billion, five hundred forty-nine million, two hundred ninety thousand, eight hundred eighty-nine".