222100020030 has 384 divisors, whose sum is σ = 657505714176. Its totient is φ = 47780409600.

The previous prime is 222100020001. The next prime is 222100020059. The reversal of 222100020030 is 30020001222.

It is an interprime number because it is at equal distance from previous prime (222100020001) and next prime (222100020059).

It is a Curzon number.

It is a junction number, because it is equal to n+sod(n) for n = 222100019988 and 222100020015.

It is a congruent number.

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, 1052606625 + ... + 1052606835.

It is an arithmetic number, because the mean of its divisors is an integer number (1712254464).

Almost surely, 2^222100020030 is an apocalyptic number.

It is a practical number, because each smaller number is the sum of distinct divisors of 222100020030, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (328752857088).

222100020030 is an abundant number, since it is smaller than the sum of its proper divisors (435405694146).

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

222100020030 is a wasteful number, since it uses less digits than its factorization.

222100020030 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 612 (or 605 counting only the distinct ones).

The product of its (nonzero) digits is 48, while the sum is 12.

Adding to 222100020030 its reverse (30020001222), we get a palindrome (252120021252).

The spelling of 222100020030 in words is "two hundred twenty-two billion, one hundred million, twenty thousand, thirty".