222303211020 has 576 divisors, whose sum is σ = 777034944000. Its totient is φ = 52713745920.

The previous prime is 222303210919. The next prime is 222303211049. The reversal of 222303211020 is 20112303222.

It is a Harshad number since it is a multiple of its sum of digits (18).

It is a junction number, because it is equal to n+sod(n) for n = 222303210984 and 222303211002.

It is an unprimeable number.

It is a polite number, since it can be written in 191 ways as a sum of consecutive naturals, for example, 970756266 + ... + 970756494.

It is an arithmetic number, because the mean of its divisors is an integer number (1349019000).

Almost surely, 2^222303211020 is an apocalyptic number.

222303211020 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 222303211020, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (388517472000).

222303211020 is an abundant number, since it is smaller than the sum of its proper divisors (554731732980).

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

222303211020 is a wasteful number, since it uses less digits than its factorization.

222303211020 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 531 (or 512 counting only the distinct ones).

The product of its (nonzero) digits is 288, while the sum is 18.

Adding to 222303211020 its reverse (20112303222), we get a palindrome (242415514242).

The spelling of 222303211020 in words is "two hundred twenty-two billion, three hundred three million, two hundred eleven thousand, twenty".