9725887622 has 16 divisors (see below), whose sum is σ = 16063831872. Its totient is φ = 4379540520.

The previous prime is 9725887621. The next prime is 9725887649. The reversal of 9725887622 is 2267885279.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (9725887621) 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, 2063468 + ... + 2068175.

It is an arithmetic number, because the mean of its divisors is an integer number (1003989492).

Almost surely, 2^9725887622 is an apocalyptic number.

9725887622 is a deficient number, since it is larger than the sum of its proper divisors (6337944250).

9725887622 is a wasteful number, since it uses less digits than its factorization.

9725887622 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 4131763.

The product of its digits is 6773760, while the sum is 56.

The square root of 9725887622 is about 98619.9149360817. The cubic root of 9725887622 is about 2134.5667937315.

The spelling of 9725887622 in words is "nine billion, seven hundred twenty-five million, eight hundred eighty-seven thousand, six hundred twenty-two".