22155132222305 has 8 divisors (see below), whose sum is σ = 27087784302312. Its totient is φ = 17389688687488.

The previous prime is 22155132222271. The next prime is 22155132222389. The reversal of 22155132222305 is 50322223155122.

It can be written as a sum of positive squares in 4 ways, for example, as 9960739972096 + 12194392250209 = 3156064^2 + 3492047^2 .

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

It is a cyclic number.

It is not a de Polignac number, because 22155132222305 - 2⁸ = 22155132222049 is a prime.

It is a Duffinian number.

It is an unprimeable number.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 41802136004 + ... + 41802136533.

It is an arithmetic number, because the mean of its divisors is an integer number (3385973037789).

Almost surely, 2^{22155132222305} is an apocalyptic number.

It is an amenable number.

22155132222305 is a deficient number, since it is larger than the sum of its proper divisors (4932652080007).

22155132222305 is an equidigital number, since it uses as much as digits as its factorization.

22155132222305 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 83604272595.

The product of its (nonzero) digits is 72000, while the sum is 35.

Adding to 22155132222305 its reverse (50322223155122), we get a palindrome (72477355377427).

The spelling of 22155132222305 in words is "twenty-two trillion, one hundred fifty-five billion, one hundred thirty-two million, two hundred twenty-two thousand, three hundred five".