9902270 has 16 divisors (see below), whose sum is σ = 20370528. Its totient is φ = 3395040.

The previous prime is 9902257. The next prime is 9902281. The reversal of 9902270 is 722099.

It is a happy number.

It is a congruent number.

It is an unprimeable number.

It is a pernicious number, because its binary representation contains a prime number (13) of ones.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 70661 + ... + 70800.

It is an arithmetic number, because the mean of its divisors is an integer number (1273158).

Almost surely, 2^9902270 is an apocalyptic number.

9902270 is an abundant number, since it is smaller than the sum of its proper divisors (10468258).

9902270 is a wasteful number, since it uses less digits than its factorization.

9902270 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 141475.

The product of its (nonzero) digits is 2268, while the sum is 29.

The square root of 9902270 is about 3146.7872505144. The cubic root of 9902270 is about 214.7393271299.

The spelling of 9902270 in words is "nine million, nine hundred two thousand, two hundred seventy".