22400443142 has 32 divisors (see below), whose sum is σ = 44355962880. Its totient is φ = 8214065280.

The previous prime is 22400443139. The next prime is 22400443151. The reversal of 22400443142 is 24134400422.

It is a happy number.

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 in 15 ways as a sum of consecutive naturals, for example, 4275542 + ... + 4280777.

It is an arithmetic number, because the mean of its divisors is an integer number (1386123840).

Almost surely, 2^22400443142 is an apocalyptic number.

22400443142 is a gapful number since it is divisible by the number (22) formed by its first and last digit.

22400443142 is a deficient number, since it is larger than the sum of its proper divisors (21955519738).

22400443142 is a wasteful number, since it uses less digits than its factorization.

22400443142 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 8556356.

The product of its (nonzero) digits is 6144, while the sum is 26.

Adding to 22400443142 its reverse (24134400422), we get a palindrome (46534843564).

The spelling of 22400443142 in words is "twenty-two billion, four hundred million, four hundred forty-three thousand, one hundred forty-two".