22122543541 has 8 divisors (see below), whose sum is σ = 26154731520. Its totient is φ = 18308311728.

The previous prime is 22122543529. The next prime is 22122543559. The reversal of 22122543541 is 14534522122.

It is a happy number.

It is a sphenic number, since it is the product of 3 distinct primes.

It is not a de Polignac number, because 22122543541 - 2¹⁹ = 22122019253 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 (22122543511) 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 in 7 ways as a sum of consecutive naturals, for example, 54488821 + ... + 54489226.

It is an arithmetic number, because the mean of its divisors is an integer number (3269341440).

Almost surely, 2^22122543541 is an apocalyptic number.

It is an amenable number.

22122543541 is a deficient number, since it is larger than the sum of its proper divisors (4032187979).

22122543541 is a wasteful number, since it uses less digits than its factorization.

22122543541 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 108978083.

The product of its digits is 19200, while the sum is 31.

The spelling of 22122543541 in words is "twenty-two billion, one hundred twenty-two million, five hundred forty-three thousand, five hundred forty-one".