22142436671 has 32 divisors (see below), whose sum is σ = 23930424000. Its totient is φ = 20447723520.

The previous prime is 22142436623. The next prime is 22142436677. The reversal of 22142436671 is 17663424122.

It is a happy number.

It is a cyclic number.

It is not a de Polignac number, because 22142436671 - 2¹⁰ = 22142435647 is a prime.

It is a Duffinian number.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (22142436677) by changing a digit.

It is a polite number, since it can be written in 31 ways as a sum of consecutive naturals, for example, 13031780 + ... + 13033478.

It is an arithmetic number, because the mean of its divisors is an integer number (747825750).

Almost surely, 2^22142436671 is an apocalyptic number.

22142436671 is a deficient number, since it is larger than the sum of its proper divisors (1787987329).

22142436671 is a wasteful number, since it uses less digits than its factorization.

22142436671 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 1979.

The product of its digits is 96768, while the sum is 38.

The spelling of 22142436671 in words is "twenty-two billion, one hundred forty-two million, four hundred thirty-six thousand, six hundred seventy-one".