422021223222 has 16 divisors (see below), whose sum is σ = 866854404912. Its totient is φ = 136871748000.

The previous prime is 422021223181. The next prime is 422021223287. The reversal of 422021223222 is 222322120224.

It is a super-2 number, since 2×422021223222² (a number of 24 digits) contains 22 as substring.

It is a junction number, because it is equal to n+sod(n) for n = 422021223192 and 422021223201.

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, 950498029 + ... + 950498472.

It is an arithmetic number, because the mean of its divisors is an integer number (54178400307).

Almost surely, 2^422021223222 is an apocalyptic number.

422021223222 is an abundant number, since it is smaller than the sum of its proper divisors (444833181690).

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

422021223222 is a wasteful number, since it uses less digits than its factorization.

422021223222 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 1900996543.

The product of its (nonzero) digits is 3072, while the sum is 24.

Adding to 422021223222 its reverse (222322120224), we get a palindrome (644343343446).

The spelling of 422021223222 in words is "four hundred twenty-two billion, twenty-one million, two hundred twenty-three thousand, two hundred twenty-two".