22000021323030 has 192 divisors, whose sum is σ = 59012928000000. Its totient is φ = 5684327041536.

The previous prime is 22000021323029. The next prime is 22000021323047. The reversal of 22000021323030 is 3032312000022.

It is a happy number.

22000021323030 is a `hidden beast` number, since 220 + 0 + 0 + 0 + 213 + 230 + 3 + 0 = 666.

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 = 22000021322994 and 22000021323012.

It is a congruent number.

It is an unprimeable number.

It is a polite number, since it can be written in 95 ways as a sum of consecutive naturals, for example, 103180471 + ... + 103393469.

It is an arithmetic number, because the mean of its divisors is an integer number (307359000000).

Almost surely, 2^{22000021323030} is an apocalyptic number.

It is a practical number, because each smaller number is the sum of distinct divisors of 22000021323030, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (29506464000000).

22000021323030 is an abundant number, since it is smaller than the sum of its proper divisors (37012906676970).

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

22000021323030 is a wasteful number, since it uses less digits than its factorization.

22000021323030 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 213363 (or 213360 counting only the distinct ones).

The product of its (nonzero) digits is 432, while the sum is 18.

Adding to 22000021323030 its reverse (3032312000022), we get a palindrome (25032333323052).

The spelling of 22000021323030 in words is "twenty-two trillion, twenty-one million, three hundred twenty-three thousand, thirty".