9972201 has 16 divisors (see below), whose sum is σ = 13930560. Its totient is φ = 6336960.

The previous prime is 9972199. The next prime is 9972233. The reversal of 9972201 is 1022799.

It is not a de Polignac number, because 9972201 - 2¹ = 9972199 is a prime.

It is not an unprimeable number, because it can be changed into a prime (9972241) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (11) of ones.

It is a polite number, since it can be written in 15 ways as a sum of consecutive naturals, for example, 6531 + ... + 7911.

It is an arithmetic number, because the mean of its divisors is an integer number (870660).

Almost surely, 2^9972201 is an apocalyptic number.

It is an amenable number.

9972201 is a deficient number, since it is larger than the sum of its proper divisors (3958359).

9972201 is a wasteful number, since it uses less digits than its factorization.

9972201 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 1496.

The product of its (nonzero) digits is 2268, while the sum is 30.

The square root of 9972201 is about 3157.8791933828. The cubic root of 9972201 is about 215.2436466267.

The spelling of 9972201 in words is "nine million, nine hundred seventy-two thousand, two hundred one".