22222140346 has 32 divisors (see below), whose sum is σ = 40171599360. Its totient is φ = 9006436656.

The previous prime is 22222140337. The next prime is 22222140383. The reversal of 22222140346 is 64304122222.

It is an unprimeable number.

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, 75565 + ... + 223951.

It is an arithmetic number, because the mean of its divisors is an integer number (1255362480).

Almost surely, 2^22222140346 is an apocalyptic number.

22222140346 is a deficient number, since it is larger than the sum of its proper divisors (17949459014).

22222140346 is a wasteful number, since it uses less digits than its factorization.

22222140346 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 148978.

The product of its (nonzero) digits is 9216, while the sum is 28.

Adding to 22222140346 its reverse (64304122222), we get a palindrome (86526262568).

The spelling of 22222140346 in words is "twenty-two billion, two hundred twenty-two million, one hundred forty thousand, three hundred forty-six".