40221170 has 32 divisors (see below), whose sum is σ = 80481600. Its totient is φ = 14347840.

The previous prime is 40221169. The next prime is 40221199. The reversal of 40221170 is 7112204.

It is an unprimeable number.

It is a polite number, since it can be written in 15 ways as a sum of consecutive naturals, for example, 2381 + ... + 9279.

It is an arithmetic number, because the mean of its divisors is an integer number (2515050).

Almost surely, 2^40221170 is an apocalyptic number.

40221170 is an abundant number, since it is smaller than the sum of its proper divisors (40260430).

40221170 is a wasteful number, since it uses less digits than its factorization.

40221170 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 6970.

The product of its (nonzero) digits is 112, while the sum is 17.

The square root of 40221170 is about 6342.0162409127. The cubic root of 40221170 is about 342.6243567818.

Adding to 40221170 its reverse (7112204), we get a palindrome (47333374).

The spelling of 40221170 in words is "forty million, two hundred twenty-one thousand, one hundred seventy".