22220012022 has 32 divisors (see below), whose sum is σ = 47873548800. Its totient is φ = 6834775200.

The previous prime is 22220012021. The next prime is 22220012029. The reversal of 22220012022 is 22021002222.

It is a junction number, because it is equal to n+sod(n) for n = 22220011992 and 22220012010.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (22220012021) by changing a digit.

It is a polite number, since it can be written in 15 ways as a sum of consecutive naturals, for example, 214147 + ... + 300497.

It is an arithmetic number, because the mean of its divisors is an integer number (1496048400).

Almost surely, 2^22220012022 is an apocalyptic number.

22220012022 is an abundant number, since it is smaller than the sum of its proper divisors (25653536778).

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

22220012022 is a wasteful number, since it uses less digits than its factorization.

22220012022 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 89668.

The product of its (nonzero) digits is 128, while the sum is 15.

Adding to 22220012022 its reverse (22021002222), we get a palindrome (44241014244).

The spelling of 22220012022 in words is "twenty-two billion, two hundred twenty million, twelve thousand, twenty-two".