222021011022 has 16 divisors (see below), whose sum is σ = 444790835280. Its totient is φ = 73882201472.

The previous prime is 222021010993. The next prime is 222021011029. The reversal of 222021011022 is 220110120222.

It is a junction number, because it is equal to n+sod(n) for n = 222021010992 and 222021011010.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (222021011029) by changing a digit.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 31196697 + ... + 31203812.

It is an arithmetic number, because the mean of its divisors is an integer number (27799427205).

Almost surely, 2^222021011022 is an apocalyptic number.

222021011022 is an abundant number, since it is smaller than the sum of its proper divisors (222769824258).

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

222021011022 is a wasteful number, since it uses less digits than its factorization.

222021011022 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 62401107.

The product of its (nonzero) digits is 64, while the sum is 15.

Adding to 222021011022 its reverse (220110120222), we get a palindrome (442131131244).

The spelling of 222021011022 in words is "two hundred twenty-two billion, twenty-one million, eleven thousand, twenty-two".