22220221022 has 8 divisors (see below), whose sum is σ = 34479653400. Its totient is φ = 10727003224.

The previous prime is 22220221021. The next prime is 22220221031. The reversal of 22220221022 is 22012202222.

It is a sphenic number, since it is the product of 3 distinct primes.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (22220221021) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (19) of ones.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 191553572 + ... + 191553687.

It is an arithmetic number, because the mean of its divisors is an integer number (4309956675).

Almost surely, 2^22220221022 is an apocalyptic number.

22220221022 is a deficient number, since it is larger than the sum of its proper divisors (12259432378).

22220221022 is a wasteful number, since it uses less digits than its factorization.

22220221022 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 383107290.

The product of its (nonzero) digits is 256, while the sum is 17.

Adding to 22220221022 its reverse (22012202222), we get a palindrome (44232423244).

The spelling of 22220221022 in words is "twenty-two billion, two hundred twenty million, two hundred twenty-one thousand, twenty-two".