22232220030 has 48 divisors (see below), whose sum is σ = 58315336560. Its totient is φ = 5876123904.

The previous prime is 22232220001. The next prime is 22232220061. The reversal of 22232220030 is 3002223222.

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 = 22232219985 and 22232220012.

It is a congruent number.

It is an unprimeable number.

It is a pernicious number, because its binary representation contains a prime number (17) of ones.

It is a polite number, since it can be written in 23 ways as a sum of consecutive naturals, for example, 1082860 + ... + 1103199.

It is an arithmetic number, because the mean of its divisors is an integer number (1214902845).

Almost surely, 2^22232220030 is an apocalyptic number.

22232220030 is an abundant number, since it is smaller than the sum of its proper divisors (36083116530).

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

22232220030 is a wasteful number, since it uses less digits than its factorization.

22232220030 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 2186185 (or 2186182 counting only the distinct ones).

The product of its (nonzero) digits is 576, while the sum is 18.

Adding to 22232220030 its reverse (3002223222), we get a palindrome (25234443252).

The spelling of 22232220030 in words is "twenty-two billion, two hundred thirty-two million, two hundred twenty thousand, thirty".