22180138355 has 16 divisors (see below), whose sum is σ = 26972352000. Its totient is φ = 17506975200.

The previous prime is 22180138313. The next prime is 22180138369. The reversal of 22180138355 is 55383108122.

It is not a de Polignac number, because 22180138355 - 2⁶ = 22180138291 is a prime.

It is an unprimeable number.

It is a polite number, since it can be written in 15 ways as a sum of consecutive naturals, for example, 553796 + ... + 592494.

It is an arithmetic number, because the mean of its divisors is an integer number (1685772000).

Almost surely, 2^22180138355 is an apocalyptic number.

22180138355 is a deficient number, since it is larger than the sum of its proper divisors (4792213645).

22180138355 is a wasteful number, since it uses less digits than its factorization.

22180138355 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 40234.

The product of its (nonzero) digits is 57600, while the sum is 38.

The spelling of 22180138355 in words is "twenty-two billion, one hundred eighty million, one hundred thirty-eight thousand, three hundred fifty-five".