22442340434 has 32 divisors (see below), whose sum is σ = 34202787840. Its totient is φ = 11043260928.

The previous prime is 22442340383. The next prime is 22442340439. The reversal of 22442340434 is 43404324422.

It is a self number, because there is not a number n which added to its sum of digits gives 22442340434.

It is not an unprimeable number, because it can be changed into a prime (22442340439) 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 15 ways as a sum of consecutive naturals, for example, 20457374 + ... + 20458470.

It is an arithmetic number, because the mean of its divisors is an integer number (1068837120).

Almost surely, 2^22442340434 is an apocalyptic number.

22442340434 is a deficient number, since it is larger than the sum of its proper divisors (11760447406).

22442340434 is a wasteful number, since it uses less digits than its factorization.

22442340434 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 1802.

The product of its (nonzero) digits is 73728, while the sum is 32.

Adding to 22442340434 its reverse (43404324422), we get a palindrome (65846664856).

The spelling of 22442340434 in words is "twenty-two billion, four hundred forty-two million, three hundred forty thousand, four hundred thirty-four".