223222621600 has 144 divisors (see below), whose sum is σ = 598475757600. Its totient is φ = 80626611200.

The previous prime is 223222621597. The next prime is 223222621631. The reversal of 223222621600 is 6126222322.

It is a super-3 number, since 3×223222621600³ (a number of 35 digits) contains 333 as substring.

It is an unprimeable number.

It is a polite number, since it can be written in 23 ways as a sum of consecutive naturals, for example, 1226079 + ... + 1396321.

It is an arithmetic number, because the mean of its divisors is an integer number (4156081650).

Almost surely, 2^223222621600 is an apocalyptic number.

223222621600 is a gapful number since it is divisible by the number (20) formed by its first and last digit.

It is an amenable number.

It is a practical number, because each smaller number is the sum of distinct divisors of 223222621600, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (299237878800).

223222621600 is an abundant number, since it is smaller than the sum of its proper divisors (375253136000).

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

223222621600 is a wasteful number, since it uses less digits than its factorization.

223222621600 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 170423 (or 170410 counting only the distinct ones).

The product of its (nonzero) digits is 6912, while the sum is 28.

Adding to 223222621600 its reverse (6126222322), we get a palindrome (229348843922).

The spelling of 223222621600 in words is "two hundred twenty-three billion, two hundred twenty-two million, six hundred twenty-one thousand, six hundred".