20422343222 has 4 divisors (see below), whose sum is σ = 30633514836. Its totient is φ = 10211171610.

The previous prime is 20422343203. The next prime is 20422343261. The reversal of 20422343222 is 22234322402.

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 = 20422343191 and 20422343200.

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, 5105585804 + ... + 5105585807.

It is an arithmetic number, because the mean of its divisors is an integer number (7658378709).

Almost surely, 2^20422343222 is an apocalyptic number.

20422343222 is a deficient number, since it is larger than the sum of its proper divisors (10211171614).

20422343222 is a wasteful number, since it uses less digits than its factorization.

20422343222 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 10211171613.

The product of its (nonzero) digits is 9216, while the sum is 26.

Adding to 20422343222 its reverse (22234322402), we get a palindrome (42656665624).

The spelling of 20422343222 in words is "twenty billion, four hundred twenty-two million, three hundred forty-three thousand, two hundred twenty-two".