223220164467280 has 80 divisors (see below), whose sum is σ = 558523973923344. Its totient is φ = 82658190090240.

The previous prime is 223220164467269. The next prime is 223220164467281. The reversal of 223220164467280 is 82764461022322.

It can be written as a sum of positive squares in 8 ways, for example, as 3023175057984 + 220196989409296 = 1738728^2 + 14839036^2 .

It is a tau number, because it is divible by the number of its divisors (80).

It is a super-3 number, since 3×223220164467280³ (a number of 44 digits) contains 333 as substring.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (223220164467281) by changing a digit.

It is a polite number, since it can be written in 15 ways as a sum of consecutive naturals, for example, 1345265187 + ... + 1345431106.

Almost surely, 2^{223220164467280} is an apocalyptic number.

223220164467280 is a gapful number since it is divisible by the number (20) formed by its first and last digit.

It is an amenable number.

223220164467280 is an abundant number, since it is smaller than the sum of its proper divisors (335303809456064).

It is a pseudoperfect number, because it is the sum of a subset of its proper divisors.

223220164467280 is a wasteful number, since it uses less digits than its factorization.

223220164467280 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 2690696384 (or 2690696378 counting only the distinct ones).

The product of its (nonzero) digits is 3096576, while the sum is 49.

The spelling of 223220164467280 in words is "two hundred twenty-three trillion, two hundred twenty billion, one hundred sixty-four million, four hundred sixty-seven thousand, two hundred eighty".