1122020220222 has 72 divisors (see below), whose sum is σ = 2715944944440. Its totient is φ = 334432216800.

The previous prime is 1122020220197. The next prime is 1122020220227. The reversal of 1122020220222 is 2220220202211.

1122020220222 is a `hidden beast` number, since 1 + 1 + 220 + 2 + 0 + 220 + 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 = 1122020220195 and 1122020220204.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (1122020220227) by changing a digit.

It is a polite number, since it can be written in 35 ways as a sum of consecutive naturals, for example, 4089772 + ... + 4355487.

Almost surely, 2^{1122020220222} is an apocalyptic number.

1122020220222 is an abundant number, since it is smaller than the sum of its proper divisors (1593924724218).

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

1122020220222 is a wasteful number, since it uses less digits than its factorization.

1122020220222 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 8445350 (or 8445336 counting only the distinct ones).

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

Adding to 1122020220222 its reverse (2220220202211), we get a palindrome (3342240422433).

The spelling of 1122020220222 in words is "one trillion, one hundred twenty-two billion, twenty million, two hundred twenty thousand, two hundred twenty-two".