22221012002202 has 128 divisors (see below), whose sum is σ = 54064039680000. Its totient is φ = 6723435248640.

The previous prime is 22221012002179. The next prime is 22221012002219. The reversal of 22221012002202 is 20220021012222.

22221012002202 is a `hidden beast` number, since 22 + 221 + 0 + 1 + 200 + 220 + 2 = 666.

It is a Harshad number since it is a multiple of its sum of digits (18).

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, 173322199 + ... + 173450357.

It is an arithmetic number, because the mean of its divisors is an integer number (422375310000).

Almost surely, 2^{22221012002202} is an apocalyptic number.

It is a practical number, because each smaller number is the sum of distinct divisors of 22221012002202, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (27032019840000).

22221012002202 is an abundant number, since it is smaller than the sum of its proper divisors (31843027677798).

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

22221012002202 is a wasteful number, since it uses less digits than its factorization.

22221012002202 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 132293 (or 132287 counting only the distinct ones).

The product of its (nonzero) digits is 256, while the sum is 18.

Adding to 22221012002202 its reverse (20220021012222), we get a palindrome (42441033014424).

The spelling of 22221012002202 in words is "twenty-two trillion, two hundred twenty-one billion, twelve million, two thousand, two hundred two".