9221402 has 8 divisors (see below), whose sum is σ = 13974996. Its totient is φ = 4563072.

The previous prime is 9221389. The next prime is 9221423. The reversal of 9221402 is 2041229.

It can be written as a sum of positive squares in 2 ways, for example, as 8116801 + 1104601 = 2849^2 + 1051^2 .

It is a sphenic number, since it is the product of 3 distinct primes.

It is an unprimeable number.

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 3 ways as a sum of consecutive naturals, for example, 23573 + ... + 23960.

Almost surely, 2^9221402 is an apocalyptic number.

9221402 is a deficient number, since it is larger than the sum of its proper divisors (4753594).

9221402 is a wasteful number, since it uses less digits than its factorization.

9221402 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 47632.

The product of its (nonzero) digits is 288, while the sum is 20.

The square root of 9221402 is about 3036.6761434173. The cubic root of 9221402 is about 209.7002677861.

The spelling of 9221402 in words is "nine million, two hundred twenty-one thousand, four hundred two".