9985922322601 has 3 divisors (see below), whose sum is σ = 9985925482653. Its totient is φ = 9985919162550.

The previous prime is 9985922322589. The next prime is 9985922322661. The reversal of 9985922322601 is 1062232295899.

The square root of 9985922322601 is 3160051.

It is a perfect power (a square), and thus also a powerful number.

It is a semiprime because it is the product of two primes, and also a brilliant number, because the two primes have the same length.

It is not a de Polignac number, because 9985922322601 - 2¹³ = 9985922314409 is a prime.

It is a Duffinian number.

It is not an unprimeable number, because it can be changed into a prime (9985922322661) by changing a digit.

It is a polite number, since it can be written in 2 ways as a sum of consecutive naturals, for example, 1580026 + ... + 4740076.

It is an arithmetic number, because the mean of its divisors is an integer number (3328641827551).

Almost surely, 2^{9985922322601} is an apocalyptic number.

9985922322601 is the 3160051-st square number.

9985922322601 is the 1580026-th centered octagonal number.

It is an amenable number.

9985922322601 is a deficient number, since it is larger than the sum of its proper divisors (3160052).

9985922322601 is an frugal number, since it uses more digits than its factorization.

9985922322601 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 6320102 (or 3160051 counting only the distinct ones).

The product of its (nonzero) digits is 8398080, while the sum is 58.

The spelling of 9985922322601 in words is "nine trillion, nine hundred eighty-five billion, nine hundred twenty-two million, three hundred twenty-two thousand, six hundred one".