2212202021022 has 160 divisors (see below), whose sum is σ = 5866631457984. Its totient is φ = 609964992000.

The previous prime is 2212202021011. The next prime is 2212202021147. The reversal of 2212202021022 is 2201202022122.

2212202021022 is a `hidden beast` number, since 221 + 220 + 202 + 1 + 0 + 22 = 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 = 2212202020986 and 2212202021004.

It is a congruent number.

It is an unprimeable number.

It is a polite number, since it can be written in 79 ways as a sum of consecutive naturals, for example, 3364522 + ... + 3967922.

Almost surely, 2^{2212202021022} is an apocalyptic number.

It is a practical number, because each smaller number is the sum of distinct divisors of 2212202021022, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (2933315728992).

2212202021022 is an abundant number, since it is smaller than the sum of its proper divisors (3654429436962).

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

2212202021022 is a wasteful number, since it uses less digits than its factorization.

2212202021022 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 603536 (or 603527 counting only the distinct ones).

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

Adding to 2212202021022 its reverse (2201202022122), we get a palindrome (4413404043144).

The spelling of 2212202021022 in words is "two trillion, two hundred twelve billion, two hundred two million, twenty-one thousand, twenty-two".