22036312830 has 128 divisors (see below), whose sum is σ = 62688844800. Its totient is φ = 4954158720.

The previous prime is 22036312817. The next prime is 22036312889. The reversal of 22036312830 is 3821363022.

It is a Harshad number since it is a multiple of its sum of digits (30).

It is a congruent number.

It is an unprimeable number.

It is a polite number, since it can be written in 63 ways as a sum of consecutive naturals, for example, 610137 + ... + 645243.

It is an arithmetic number, because the mean of its divisors is an integer number (489756600).

Almost surely, 2^22036312830 is an apocalyptic number.

It is a practical number, because each smaller number is the sum of distinct divisors of 22036312830, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (31344422400).

22036312830 is an abundant number, since it is smaller than the sum of its proper divisors (40652531970).

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

22036312830 is a wasteful number, since it uses less digits than its factorization.

22036312830 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 35199 (or 35185 counting only the distinct ones).

The product of its (nonzero) digits is 10368, while the sum is 30.

Adding to 22036312830 its reverse (3821363022), we get a palindrome (25857675852).

The spelling of 22036312830 in words is "twenty-two billion, thirty-six million, three hundred twelve thousand, eight hundred thirty".