22122302212230 has 128 divisors (see below), whose sum is σ = 59515533236736. Its totient is φ = 5215412966400.

The previous prime is 22122302212223. The next prime is 22122302212247. The reversal of 22122302212230 is 3221220322122.

It is a self number, because there is not a number n which added to its sum of digits gives 22122302212230.

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, 23879985 + ... + 24789075.

It is an arithmetic number, because the mean of its divisors is an integer number (464965103412).

Almost surely, 2^{22122302212230} is an apocalyptic number.

It is a practical number, because each smaller number is the sum of distinct divisors of 22122302212230, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (29757766618368).

22122302212230 is an abundant number, since it is smaller than the sum of its proper divisors (37393231024506).

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

22122302212230 is a wasteful number, since it uses less digits than its factorization.

22122302212230 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 911142.

The product of its (nonzero) digits is 2304, while the sum is 24.

Adding to 22122302212230 its reverse (3221220322122), we get a palindrome (25343522534352).

The spelling of 22122302212230 in words is "twenty-two trillion, one hundred twenty-two billion, three hundred two million, two hundred twelve thousand, two hundred thirty".