1022220220122 has 48 divisors (see below), whose sum is σ = 2258924748288. Its totient is φ = 334010537280.

The previous prime is 1022220220081. The next prime is 1022220220127. The reversal of 1022220220122 is 2210220222201.

1022220220122 is a `hidden beast` number, since 102 + 2 + 220 + 220 + 122 = 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 = 1022220220095 and 1022220220104.

It is not an unprimeable number, because it can be changed into a prime (1022220220127) by changing a digit.

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, 2172154 + ... + 2600517.

It is an arithmetic number, because the mean of its divisors is an integer number (47060932256).

Almost surely, 2^{1022220220122} is an apocalyptic number.

1022220220122 is an abundant number, since it is smaller than the sum of its proper divisors (1236704528166).

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

1022220220122 is a wasteful number, since it uses less digits than its factorization.

1022220220122 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 4772915 (or 4772912 counting only the distinct ones).

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

Adding to 1022220220122 its reverse (2210220222201), we get a palindrome (3232440442323).

The spelling of 1022220220122 in words is "one trillion, twenty-two billion, two hundred twenty million, two hundred twenty thousand, one hundred twenty-two".