22051162650000 has 480 divisors, whose sum is σ = 77784127497216. Its totient is φ = 5338244800000.

The previous prime is 22051162649963. The next prime is 22051162650073. The reversal of 22051162650000 is 5626115022.

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

It is a self number, because there is not a number n which added to its sum of digits gives 22051162650000.

It is an unprimeable number.

It is a pernicious number, because its binary representation contains a prime number (23) of ones.

It is a polite number, since it can be written in 95 ways as a sum of consecutive naturals, for example, 1225941007 + ... + 1225958993.

Almost surely, 2^{22051162650000} is an apocalyptic number.

22051162650000 is a gapful number since it is divisible by the number (20) formed by its first and last digit.

It is an amenable number.

It is a practical number, because each smaller number is the sum of distinct divisors of 22051162650000, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (38892063748608).

22051162650000 is an abundant number, since it is smaller than the sum of its proper divisors (55732964847216).

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

22051162650000 is a wasteful number, since it uses less digits than its factorization.

22051162650000 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 18777 (or 18751 counting only the distinct ones).

The product of its (nonzero) digits is 7200, while the sum is 30.

Adding to 22051162650000 its reverse (5626115022), we get a palindrome (22056788765022).

The spelling of 22051162650000 in words is "twenty-two trillion, fifty-one billion, one hundred sixty-two million, six hundred fifty thousand".