22331100030 has 64 divisors (see below), whose sum is σ = 54847300608. Its totient is φ = 5816769920.

The previous prime is 22331099971. The next prime is 22331100041. The reversal of 22331100030 is 3000113322.

It is a Harshad number since it is a multiple of its sum of digits (15).

It is a junction number, because it is equal to n+sod(n) for n = 22331099982 and 22331100009.

It is a congruent number.

It is an unprimeable number.

It is a polite number, since it can be written in 31 ways as a sum of consecutive naturals, for example, 329995 + ... + 391865.

It is an arithmetic number, because the mean of its divisors is an integer number (856989072).

Almost surely, 2^22331100030 is an apocalyptic number.

It is a practical number, because each smaller number is the sum of distinct divisors of 22331100030, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (27423650304).

22331100030 is an abundant number, since it is smaller than the sum of its proper divisors (32516200578).

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

22331100030 is a wasteful number, since it uses less digits than its factorization.

22331100030 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 62161.

The product of its (nonzero) digits is 108, while the sum is 15.

Adding to 22331100030 its reverse (3000113322), we get a palindrome (25331213352).

The spelling of 22331100030 in words is "twenty-two billion, three hundred thirty-one million, one hundred thousand, thirty".