222022220022 has 40 divisors (see below), whose sum is σ = 499264778232. Its totient is φ = 73744020000.

The previous prime is 222022220003. The next prime is 222022220051. The reversal of 222022220022 is 220022220222.

222022220022 is a `hidden beast` number, since 2 + 220 + 222 + 200 + 22 = 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 = 222022219977 and 222022220004.

It is a congruent number.

It is an unprimeable number.

It is a polite number, since it can be written in 19 ways as a sum of consecutive naturals, for example, 2393104 + ... + 2484147.

Almost surely, 2^222022220022 is an apocalyptic number.

222022220022 is an abundant number, since it is smaller than the sum of its proper divisors (277242558210).

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

222022220022 is a wasteful number, since it uses less digits than its factorization.

222022220022 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 4877546 (or 4877537 counting only the distinct ones).

The product of its (nonzero) digits is 512, while the sum is 18.

Adding to 222022220022 its reverse (220022220222), we get a palindrome (442044440244).

The spelling of 222022220022 in words is "two hundred twenty-two billion, twenty-two million, two hundred twenty thousand, twenty-two".