22142331430 has 64 divisors (see below), whose sum is σ = 42445866240. Its totient is φ = 8300565504.

The previous prime is 22142331389. The next prime is 22142331443. The reversal of 22142331430 is 3413324122.

It is a junction number, because it is equal to n+sod(n) for n = 22142331395 and 22142331404.

It is a congruent number.

It is an unprimeable number.

It is a polite number, since it can be written in 31 ways as a sum of consecutive naturals, for example, 4965762 + ... + 4970218.

It is an arithmetic number, because the mean of its divisors is an integer number (663216660).

Almost surely, 2^22142331430 is an apocalyptic number.

22142331430 is a deficient number, since it is larger than the sum of its proper divisors (20303534810).

22142331430 is a wasteful number, since it uses less digits than its factorization.

22142331430 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 4993.

The product of its (nonzero) digits is 3456, while the sum is 25.

Adding to 22142331430 its reverse (3413324122), we get a palindrome (25555655552).

The spelling of 22142331430 in words is "twenty-two billion, one hundred forty-two million, three hundred thirty-one thousand, four hundred thirty".