22102154142 has 16 divisors (see below), whose sum is σ = 44299787520. Its totient is φ = 7351471512.

The previous prime is 22102154101. The next prime is 22102154147. The reversal of 22102154142 is 24145120122.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (22102154147) 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 7 ways as a sum of consecutive naturals, for example, 3975292 + ... + 3980847.

It is an arithmetic number, because the mean of its divisors is an integer number (2768736720).

Almost surely, 2^22102154142 is an apocalyptic number.

22102154142 is an abundant number, since it is smaller than the sum of its proper divisors (22197633378).

It is a pseudoperfect number, because it is the sum of a subset of its proper divisors.

22102154142 is a wasteful number, since it uses less digits than its factorization.

22102154142 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 7956607.

The product of its (nonzero) digits is 1280, while the sum is 24.

Adding to 22102154142 its reverse (24145120122), we get a palindrome (46247274264).

The spelling of 22102154142 in words is "twenty-two billion, one hundred two million, one hundred fifty-four thousand, one hundred forty-two".