22422402222 has 64 divisors (see below), whose sum is σ = 49675991040. Its totient is φ = 6690146400.

The previous prime is 22422402221. The next prime is 22422402239. The reversal of 22422402222 is 22220422422.

It is a junction number, because it is equal to n+sod(n) for n = 22422402192 and 22422402201.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (22422402221) 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 31 ways as a sum of consecutive naturals, for example, 4135029 + ... + 4140447.

It is an arithmetic number, because the mean of its divisors is an integer number (776187360).

Almost surely, 2^22422402222 is an apocalyptic number.

22422402222 is a gapful number since it is divisible by the number (22) formed by its first and last digit.

It is a practical number, because each smaller number is the sum of distinct divisors of 22422402222, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (24837995520).

22422402222 is an abundant number, since it is smaller than the sum of its proper divisors (27253588818).

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

22422402222 is a wasteful number, since it uses less digits than its factorization.

22422402222 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 6389.

The product of its (nonzero) digits is 4096, while the sum is 24.

Adding to 22422402222 its reverse (22220422422), we get a palindrome (44642824644).

The spelling of 22422402222 in words is "twenty-two billion, four hundred twenty-two million, four hundred two thousand, two hundred twenty-two".