2201202021222 has 64 divisors (see below), whose sum is σ = 4913167104000. Its totient is φ = 730494382464.

The previous prime is 2201202021191. The next prime is 2201202021233. The reversal of 2201202021222 is 2221202021022.

2201202021222 is a `hidden beast` number, since 220 + 1 + 20 + 202 + 1 + 222 = 666.

It is a super-3 number, since 3×2201202021222³ (a number of 38 digits) contains 333 as substring.

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 = 2201202021195 and 2201202021204.

It is a congruent number.

It is an unprimeable number.

It is a pernicious number, because its binary representation contains a prime number (17) of ones.

It is a polite number, since it can be written in 31 ways as a sum of consecutive naturals, for example, 63467278 + ... + 63501950.

It is an arithmetic number, because the mean of its divisors is an integer number (76768236000).

Almost surely, 2^{2201202021222} is an apocalyptic number.

2201202021222 is an abundant number, since it is smaller than the sum of its proper divisors (2711965082778).

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

2201202021222 is a wasteful number, since it uses less digits than its factorization.

2201202021222 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 39842 (or 39836 counting only the distinct ones).

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

Adding to 2201202021222 its reverse (2221202021022), we get a palindrome (4422404042244).

The spelling of 2201202021222 in words is "two trillion, two hundred one billion, two hundred two million, twenty-one thousand, two hundred twenty-two".