40002226 has 16 divisors (see below), whose sum is σ = 66041568. Its totient is φ = 18020800.

The previous prime is 40002199. The next prime is 40002233. The reversal of 40002226 is 62220004.

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 7 ways as a sum of consecutive naturals, for example, 5560 + ... + 10531.

It is an arithmetic number, because the mean of its divisors is an integer number (4127598).

Almost surely, 2^40002226 is an apocalyptic number.

40002226 is a deficient number, since it is larger than the sum of its proper divisors (26039342).

40002226 is a wasteful number, since it uses less digits than its factorization.

40002226 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 16217.

The product of its (nonzero) digits is 192, while the sum is 16.

The square root of 40002226 is about 6324.7312986403. The cubic root of 40002226 is about 342.0015332284.

It can be divided in two parts, 4000 and 2226, that added together give a palindrome (6226).

The spelling of 40002226 in words is "forty million, two thousand, two hundred twenty-six".