22144132142 has 64 divisors (see below), whose sum is σ = 38889828864. Its totient is φ = 9356730240.

The previous prime is 22144132139. The next prime is 22144132147. The reversal of 22144132142 is 24123144122.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (22144132147) 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 31 ways as a sum of consecutive naturals, for example, 2865668 + ... + 2873384.

It is an arithmetic number, because the mean of its divisors is an integer number (607653576).

Almost surely, 2^22144132142 is an apocalyptic number.

22144132142 is a gapful number since it is divisible by the number (22) formed by its first and last digit.

22144132142 is a deficient number, since it is larger than the sum of its proper divisors (16745696722).

22144132142 is a wasteful number, since it uses less digits than its factorization.

22144132142 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 7913.

The product of its digits is 3072, while the sum is 26.

Adding to 22144132142 its reverse (24123144122), we get a palindrome (46267276264).

The spelling of 22144132142 in words is "twenty-two billion, one hundred forty-four million, one hundred thirty-two thousand, one hundred forty-two".