22212221101022 has 4 divisors (see below), whose sum is σ = 33318331651536. Its totient is φ = 11106110550510.

The previous prime is 22212221101019. The next prime is 22212221101027. The reversal of 22212221101022 is 22010112221222.

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 = 22212221100985 and 22212221101003.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (22212221101027) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 5553055275254 + ... + 5553055275257.

It is an arithmetic number, because the mean of its divisors is an integer number (8329582912884).

Almost surely, 2^{22212221101022} is an apocalyptic number.

22212221101022 is a deficient number, since it is larger than the sum of its proper divisors (11106110550514).

22212221101022 is a wasteful number, since it uses less digits than its factorization.

22212221101022 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 11106110550513.

The product of its (nonzero) digits is 256, while the sum is 20.

Adding to 22212221101022 its reverse (22010112221222), we get a palindrome (44222333322244).

The spelling of 22212221101022 in words is "twenty-two trillion, two hundred twelve billion, two hundred twenty-one million, one hundred one thousand, twenty-two".