22162170664527 has 16 divisors (see below), whose sum is σ = 29564705955840. Its totient is φ = 14767209079200.

The previous prime is 22162170664463. The next prime is 22162170664549. The reversal of 22162170664527 is 72546607126122.

It is not a de Polignac number, because 22162170664527 - 2⁶ = 22162170664463 is a prime.

It is a super-2 number, since 2×22162170664527² (a number of 27 digits) contains 22 as substring.

It is a self number, because there is not a number n which added to its sum of digits gives 22162170664527.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (22162170664727) 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 15 ways as a sum of consecutive naturals, for example, 79206202 + ... + 79485512.

It is an arithmetic number, because the mean of its divisors is an integer number (1847794122240).

Almost surely, 2^{22162170664527} is an apocalyptic number.

22162170664527 is a deficient number, since it is larger than the sum of its proper divisors (7402535291313).

22162170664527 is a wasteful number, since it uses less digits than its factorization.

22162170664527 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 292774.

The product of its (nonzero) digits is 3386880, while the sum is 51.

The spelling of 22162170664527 in words is "twenty-two trillion, one hundred sixty-two billion, one hundred seventy million, six hundred sixty-four thousand, five hundred twenty-seven".