223212303552 has 112 divisors (see below), whose sum is σ = 676653236480. Its totient is φ = 63614149632.

The previous prime is 223212303427. The next prime is 223212303553. The reversal of 223212303552 is 255303212322.

It is a tau number, because it is divible by the number of its divisors (112).

It is a super-3 number, since 3×223212303552³ (a number of 35 digits) contains 333 as substring.

It is not an unprimeable number, because it can be changed into a prime (223212303553) 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, 324399 + ... + 742737.

Almost surely, 2^223212303552 is an apocalyptic number.

It is an amenable number.

It is a practical number, because each smaller number is the sum of distinct divisors of 223212303552, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (338326618240).

223212303552 is an abundant number, since it is smaller than the sum of its proper divisors (453440932928).

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

223212303552 is a wasteful number, since it uses less digits than its factorization.

223212303552 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 418758 (or 418748 counting only the distinct ones).

The product of its (nonzero) digits is 21600, while the sum is 30.

Adding to 223212303552 its reverse (255303212322), we get a palindrome (478515515874).

The spelling of 223212303552 in words is "two hundred twenty-three billion, two hundred twelve million, three hundred three thousand, five hundred fifty-two".