1022222021022 has 48 divisors (see below), whose sum is σ = 2234464831872. Its totient is φ = 337725296640.

The previous prime is 1022222021017. The next prime is 1022222021033. The reversal of 1022222021022 is 2201202222201.

1022222021022 is a `hidden beast` number, since 10 + 222 + 220 + 210 + 2 + 2 = 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 = 1022222020986 and 1022222021004.

It is a congruent number.

It is an unprimeable number.

It is a pernicious number, because its binary representation contains a prime number (19) of ones.

It is a polite number, since it can be written in 23 ways as a sum of consecutive naturals, for example, 1257363 + ... + 1904049.

It is an arithmetic number, because the mean of its divisors is an integer number (46551350664).

Almost surely, 2^{1022222021022} is an apocalyptic number.

1022222021022 is an abundant number, since it is smaller than the sum of its proper divisors (1212242810850).

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

1022222021022 is a wasteful number, since it uses less digits than its factorization.

1022222021022 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 647473 (or 647470 counting only the distinct ones).

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

Adding to 1022222021022 its reverse (2201202222201), we get a palindrome (3223424243223).

The spelling of 1022222021022 in words is "one trillion, twenty-two billion, two hundred twenty-two million, twenty-one thousand, twenty-two".