22142420323 has 8 divisors (see below), whose sum is σ = 22268057760. Its totient is φ = 22017132480.

The previous prime is 22142420303. The next prime is 22142420327. The reversal of 22142420323 is 32302424122.

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

It is a cyclic number.

It is not a de Polignac number, because 22142420323 - 2⁵ = 22142420291 is a prime.

It is a Duffinian number.

It is not an unprimeable number, because it can be changed into a prime (22142420327) by changing a digit.

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 in 7 ways as a sum of consecutive naturals, for example, 40161 + ... + 214237.

It is an arithmetic number, because the mean of its divisors is an integer number (2783507220).

Almost surely, 2^22142420323 is an apocalyptic number.

22142420323 is a deficient number, since it is larger than the sum of its proper divisors (125637437).

22142420323 is a wasteful number, since it uses less digits than its factorization.

22142420323 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 174797.

The product of its (nonzero) digits is 4608, while the sum is 25.

Adding to 22142420323 its reverse (32302424122), we get a palindrome (54444844445).

The spelling of 22142420323 in words is "twenty-two billion, one hundred forty-two million, four hundred twenty thousand, three hundred twenty-three".