22211022423 has 16 divisors (see below), whose sum is σ = 29664109440. Its totient is φ = 14782667424.

The previous prime is 22211022419. The next prime is 22211022437. The reversal of 22211022423 is 32422011222.

It is not a de Polignac number, because 22211022423 - 2² = 22211022419 is a prime.

It is a self number, because there is not a number n which added to its sum of digits gives 22211022423.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (22211020423) 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 15 ways as a sum of consecutive naturals, for example, 6506065 + ... + 6509477.

It is an arithmetic number, because the mean of its divisors is an integer number (1854006840).

Almost surely, 2^22211022423 is an apocalyptic number.

22211022423 is a deficient number, since it is larger than the sum of its proper divisors (7453087017).

22211022423 is a wasteful number, since it uses less digits than its factorization.

22211022423 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 6398.

The product of its (nonzero) digits is 768, while the sum is 21.

Adding to 22211022423 its reverse (32422011222), we get a palindrome (54633033645).

The spelling of 22211022423 in words is "twenty-two billion, two hundred eleven million, twenty-two thousand, four hundred twenty-three".