1222201002022 has 64 divisors (see below), whose sum is σ = 2473865856000. Its totient is φ = 437343857280.

The previous prime is 1222201002019. The next prime is 1222201002073. The reversal of 1222201002022 is 2202001022221.

It is a junction number, because it is equal to n+sod(n) for n = 1222201001987 and 1222201002005.

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, 1135497 + ... + 1932292.

It is an arithmetic number, because the mean of its divisors is an integer number (38654154000).

Almost surely, 2^{1222201002022} is an apocalyptic number.

1222201002022 is an abundant number, since it is smaller than the sum of its proper divisors (1251664853978).

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

1222201002022 is a wasteful number, since it uses less digits than its factorization.

1222201002022 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 3068021.

The product of its (nonzero) digits is 128, while the sum is 16.

Adding to 1222201002022 its reverse (2202001022221), we get a palindrome (3424202024243).

The spelling of 1222201002022 in words is "one trillion, two hundred twenty-two billion, two hundred one million, two thousand, twenty-two".