1609922223825 has 24 divisors (see below), whose sum is σ = 2661992853696. Its totient is φ = 858543000000.

The previous prime is 1609922223803. The next prime is 1609922223869. The reversal of 1609922223825 is 5283222299061.

It is not a de Polignac number, because 1609922223825 - 2¹⁰ = 1609922222801 is a prime.

It is an unprimeable number.

It is a polite number, since it can be written in 23 ways as a sum of consecutive naturals, for example, 234501 + ... + 1809650.

It is an arithmetic number, because the mean of its divisors is an integer number (110916368904).

Almost surely, 2^{1609922223825} is an apocalyptic number.

1609922223825 is a gapful number since it is divisible by the number (15) formed by its first and last digit.

It is an amenable number.

1609922223825 is a deficient number, since it is larger than the sum of its proper divisors (1052070629871).

1609922223825 is a wasteful number, since it uses less digits than its factorization.

1609922223825 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 2054665 (or 2054660 counting only the distinct ones).

The product of its (nonzero) digits is 1866240, while the sum is 51.

The spelling of 1609922223825 in words is "one trillion, six hundred nine billion, nine hundred twenty-two million, two hundred twenty-three thousand, eight hundred twenty-five".