20222222101022 has 4 divisors (see below), whose sum is σ = 30333333151536. Its totient is φ = 10111111050510.

The previous prime is 20222222100991. The next prime is 20222222101043. The reversal of 20222222101022 is 22010122222202.

It is a semiprime because it is the product of two primes.

It is a junction number, because it is equal to n+sod(n) for n = 20222222100985 and 20222222101003.

It is a congruent number.

It is an unprimeable number.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 5055555525254 + ... + 5055555525257.

It is an arithmetic number, because the mean of its divisors is an integer number (7583333287884).

Almost surely, 2^{20222222101022} is an apocalyptic number.

20222222101022 is a deficient number, since it is larger than the sum of its proper divisors (10111111050514).

20222222101022 is a wasteful number, since it uses less digits than its factorization.

20222222101022 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 10111111050513.

The product of its (nonzero) digits is 512, while the sum is 20.

Adding to 20222222101022 its reverse (22010122222202), we get a palindrome (42232344323224).

The spelling of 20222222101022 in words is "twenty trillion, two hundred twenty-two billion, two hundred twenty-two million, one hundred one thousand, twenty-two".