22022322422 has 4 divisors (see below), whose sum is σ = 33033483636. Its totient is φ = 11011161210.

The previous prime is 22022322403. The next prime is 22022322431. The reversal of 22022322422 is 22422322022.

It is a semiprime because it is the product of two primes.

It is a congruent number.

It is an unprimeable number.

It is a pernicious number, because its binary representation contains a prime number (17) of ones.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 5505580604 + ... + 5505580607.

It is an arithmetic number, because the mean of its divisors is an integer number (8258370909).

Almost surely, 2^22022322422 is an apocalyptic number.

22022322422 is a deficient number, since it is larger than the sum of its proper divisors (11011161214).

22022322422 is a wasteful number, since it uses less digits than its factorization.

22022322422 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 11011161213.

The product of its (nonzero) digits is 3072, while the sum is 23.

Adding to 22022322422 its reverse (22422322022), we get a palindrome (44444644444).

The spelling of 22022322422 in words is "twenty-two billion, twenty-two million, three hundred twenty-two thousand, four hundred twenty-two".