22155140032064 has 28 divisors (see below), whose sum is σ = 47345960310684. Its totient is φ = 10225449245184.

The previous prime is 22155140032043. The next prime is 22155140032073. The reversal of 22155140032064 is 46023004155122.

It can be written as a sum of positive squares in 2 ways, for example, as 6046090854400 + 16109049177664 = 2458880^2 + 4013608^2 .

It is an unprimeable number.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 13314386207 + ... + 13314387870.

It is an arithmetic number, because the mean of its divisors is an integer number (1690927153953).

Almost surely, 2^{22155140032064} is an apocalyptic number.

It is an amenable number.

22155140032064 is an abundant number, since it is smaller than the sum of its proper divisors (25190820278620).

It is a pseudoperfect number, because it is the sum of a subset of its proper divisors.

22155140032064 is a wasteful number, since it uses less digits than its factorization.

22155140032064 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 26628774102 (or 26628774092 counting only the distinct ones).

The product of its (nonzero) digits is 57600, while the sum is 35.

Adding to 22155140032064 its reverse (46023004155122), we get a palindrome (68178144187186).

The spelling of 22155140032064 in words is "twenty-two trillion, one hundred fifty-five billion, one hundred forty million, thirty-two thousand, sixty-four".