222122102022 has 24 divisors (see below), whose sum is σ = 482554822464. Its totient is φ = 73842197904.

The previous prime is 222122101991. The next prime is 222122102023. The reversal of 222122102022 is 220201221222.

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 = 222122101986 and 222122102004.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (222122102023) by changing a digit.

It is a polite number, since it can be written in 11 ways as a sum of consecutive naturals, for example, 16534998 + ... + 16548425.

It is an arithmetic number, because the mean of its divisors is an integer number (20106450936).

Almost surely, 2^222122102022 is an apocalyptic number.

222122102022 is an abundant number, since it is smaller than the sum of its proper divisors (260432720442).

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

222122102022 is a wasteful number, since it uses less digits than its factorization.

222122102022 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 33083804 (or 33083801 counting only the distinct ones).

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

Adding to 222122102022 its reverse (220201221222), we get a palindrome (442323323244).

The spelling of 222122102022 in words is "two hundred twenty-two billion, one hundred twenty-two million, one hundred two thousand, twenty-two".