1022122200222 has 16 divisors (see below), whose sum is σ = 2271382667280. Its totient is φ = 340707400056.

The previous prime is 1022122200193. The next prime is 1022122200259. The reversal of 1022122200222 is 2220022212201.

1022122200222 is a `hidden beast` number, since 1 + 0 + 221 + 2 + 220 + 0 + 222 = 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 = 1022122200195 and 1022122200204.

It is a congruent number.

It is an unprimeable number.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 9464094393 + ... + 9464094500.

It is an arithmetic number, because the mean of its divisors is an integer number (141961416705).

Almost surely, 2^{1022122200222} is an apocalyptic number.

1022122200222 is an abundant number, since it is smaller than the sum of its proper divisors (1249260467058).

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

1022122200222 is a wasteful number, since it uses less digits than its factorization.

1022122200222 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 18928188904 (or 18928188898 counting only the distinct ones).

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

Adding to 1022122200222 its reverse (2220022212201), we get a palindrome (3242144412423).

The spelling of 1022122200222 in words is "one trillion, twenty-two billion, one hundred twenty-two million, two hundred thousand, two hundred twenty-two".