40014221 has 8 divisors (see below), whose sum is σ = 43141560. Its totient is φ = 36893952.

The previous prime is 40014203. The next prime is 40014239. The reversal of 40014221 is 12241004.

It is an interprime number because it is at equal distance from previous prime (40014203) and next prime (40014239).

It can be written as a sum of positive squares in 4 ways, for example, as 17556100 + 22458121 = 4190^2 + 4739^2 .

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

It is a cyclic number.

It is not a de Polignac number, because 40014221 - 2⁶ = 40014157 is a prime.

It is a super-2 number, since 2×40014221² = 3202275764473682, which contains 22 as substring.

It is a Duffinian number.

It is a junction number, because it is equal to n+sod(n) for n = 40014196 and 40014205.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (40014421) by changing a digit.

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, 19961 + ... + 21873.

It is an arithmetic number, because the mean of its divisors is an integer number (5392695).

Almost surely, 2^40014221 is an apocalyptic number.

It is an amenable number.

40014221 is a deficient number, since it is larger than the sum of its proper divisors (3127339).

40014221 is a wasteful number, since it uses less digits than its factorization.

40014221 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 3535.

The product of its (nonzero) digits is 64, while the sum is 14.

The square root of 40014221 is about 6325.6794891932. The cubic root of 40014221 is about 342.0357138131.

Adding to 40014221 its reverse (12241004), we get a palindrome (52255225).

The spelling of 40014221 in words is "forty million, fourteen thousand, two hundred twenty-one".