9940226 has 8 divisors (see below), whose sum is σ = 14986620. Its totient is φ = 4944688.

The previous prime is 9940219. The next prime is 9940241. The reversal of 9940226 is 6220499.

It can be written as a sum of positive squares in 2 ways, for example, as 9916201 + 24025 = 3149^2 + 155^2 .

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

It is a junction number, because it is equal to n+sod(n) for n = 9940192 and 9940201.

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, 12221 + ... + 13008.

Almost surely, 2^9940226 is an apocalyptic number.

9940226 is a deficient number, since it is larger than the sum of its proper divisors (5046394).

9940226 is a wasteful number, since it uses less digits than its factorization.

9940226 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 25428.

The product of its (nonzero) digits is 7776, while the sum is 32.

The square root of 9940226 is about 3152.8123953068. The cubic root of 9940226 is about 215.0133469270.

The spelling of 9940226 in words is "nine million, nine hundred forty thousand, two hundred twenty-six".