22132155405 has 16 divisors (see below), whose sum is σ = 35458245504. Its totient is φ = 11788217280.

The previous prime is 22132155401. The next prime is 22132155413. The reversal of 22132155405 is 50455123122.

It is not a de Polignac number, because 22132155405 - 2² = 22132155401 is a prime.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (22132155401) 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 15 ways as a sum of consecutive naturals, for example, 963201 + ... + 985910.

It is an arithmetic number, because the mean of its divisors is an integer number (2216140344).

Almost surely, 2^22132155405 is an apocalyptic number.

It is an amenable number.

22132155405 is a deficient number, since it is larger than the sum of its proper divisors (13326090099).

22132155405 is a wasteful number, since it uses less digits than its factorization.

22132155405 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 1949876.

The product of its (nonzero) digits is 12000, while the sum is 30.

Adding to 22132155405 its reverse (50455123122), we get a palindrome (72587278527).

The spelling of 22132155405 in words is "twenty-two billion, one hundred thirty-two million, one hundred fifty-five thousand, four hundred five".