9920227 has 4 divisors (see below), whose sum is σ = 9927640. Its totient is φ = 9912816.

The previous prime is 9920219. The next prime is 9920249. The reversal of 9920227 is 7220299.

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 a cyclic number.

It is not a de Polignac number, because 9920227 - 2³ = 9920219 is a prime.

It is a Duffinian number.

It is not an unprimeable number, because it can be changed into a prime (9920257) by changing a digit.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 1077 + ... + 4582.

It is an arithmetic number, because the mean of its divisors is an integer number (2481910).

Almost surely, 2^9920227 is an apocalyptic number.

9920227 is a deficient number, since it is larger than the sum of its proper divisors (7413).

9920227 is a wasteful number, since it uses less digits than its factorization.

9920227 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 7412.

The product of its (nonzero) digits is 4536, while the sum is 31.

The square root of 9920227 is about 3149.6391856846. The cubic root of 9920227 is about 214.8690531269.

The spelling of 9920227 in words is "nine million, nine hundred twenty thousand, two hundred twenty-seven".