1922385887207 has 8 divisors (see below), whose sum is σ = 1932548094720. Its totient is φ = 1912224694240.

The previous prime is 1922385887171. The next prime is 1922385887221. The reversal of 1922385887207 is 7027885832291.

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 1922385887207 - 2³⁶ = 1853666410471 is a prime.

It is a Duffinian number.

It is a self number, because there is not a number n which added to its sum of digits gives 1922385887207.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (1922385887297) by changing a digit.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 3709169 + ... + 4195557.

It is an arithmetic number, because the mean of its divisors is an integer number (241568511840).

Almost surely, 2^{1922385887207} is an apocalyptic number.

1922385887207 is a deficient number, since it is larger than the sum of its proper divisors (10162207513).

1922385887207 is a wasteful number, since it uses less digits than its factorization.

1922385887207 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 507273.

The product of its (nonzero) digits is 27095040, while the sum is 62.

The spelling of 1922385887207 in words is "one trillion, nine hundred twenty-two billion, three hundred eighty-five million, eight hundred eighty-seven thousand, two hundred seven".