1220002022022 has 32 divisors (see below), whose sum is σ = 2935343212800. Its totient is φ = 330226111008.

The previous prime is 1220002021993. The next prime is 1220002022027. The reversal of 1220002022022 is 2202202000221.

It is a junction number, because it is equal to n+sod(n) for n = 1220002021992 and 1220002022010.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (1220002022027) by changing a digit.

It is a polite number, since it can be written in 15 ways as a sum of consecutive naturals, for example, 764411497 + ... + 764413092.

It is an arithmetic number, because the mean of its divisors is an integer number (91729475400).

Almost surely, 2^{1220002022022} is an apocalyptic number.

1220002022022 is an abundant number, since it is smaller than the sum of its proper divisors (1715341190778).

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

1220002022022 is a wasteful number, since it uses less digits than its factorization.

1220002022022 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 1528824620.

The product of its (nonzero) digits is 128, while the sum is 15.

Adding to 1220002022022 its reverse (2202202000221), we get a palindrome (3422204022243).

The spelling of 1220002022022 in words is "one trillion, two hundred twenty billion, two million, twenty-two thousand, twenty-two".