22143551032 has 8 divisors (see below), whose sum is σ = 41519158200. Its totient is φ = 11071775512.

The previous prime is 22143551021. The next prime is 22143551033. The reversal of 22143551032 is 23015534122.

It is a tau number, because it is divible by the number of its divisors (8).

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (22143551033) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (19) of ones.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 1383971932 + ... + 1383971947.

It is an arithmetic number, because the mean of its divisors is an integer number (5189894775).

Almost surely, 2^22143551032 is an apocalyptic number.

It is an amenable number.

22143551032 is a deficient number, since it is larger than the sum of its proper divisors (19375607168).

22143551032 is a wasteful number, since it uses less digits than its factorization.

22143551032 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 2767943885 (or 2767943881 counting only the distinct ones).

The product of its (nonzero) digits is 7200, while the sum is 28.

The spelling of 22143551032 in words is "twenty-two billion, one hundred forty-three million, five hundred fifty-one thousand, thirty-two".