22212202010000 has 50 divisors (see below), whose sum is σ = 53777962310622. Its totient is φ = 8884880800000.

The previous prime is 22212202009993. The next prime is 22212202010027. The reversal of 22212202010000 is 1020221222.

It can be written as a sum of positive squares in 5 ways, for example, as 14236796756224 + 7975405253776 = 3773168^2 + 2824076^2 .

It is a tau number, because it is divible by the number of its divisors (50).

It is an unprimeable number.

It is a polite number, since it can be written in 9 ways as a sum of consecutive naturals, for example, 1110600101 + ... + 1110620100.

Almost surely, 2^{22212202010000} is an apocalyptic number.

22212202010000 is a gapful number since it is divisible by the number (20) formed by its first and last digit.

It is an amenable number.

22212202010000 is an abundant number, since it is smaller than the sum of its proper divisors (31565760300622).

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

22212202010000 is an equidigital number, since it uses as much as digits as its factorization.

22212202010000 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 2221220229 (or 2221220208 counting only the distinct ones).

The product of its (nonzero) digits is 64, while the sum is 14.

Adding to 22212202010000 its reverse (1020221222), we get a palindrome (22213222231222).

The spelling of 22212202010000 in words is "twenty-two trillion, two hundred twelve billion, two hundred two million, ten thousand".