40614221 has 8 divisors (see below), whose sum is σ = 41284704. Its totient is φ = 39949200.

The previous prime is 40614199. The next prime is 40614269. The reversal of 40614221 is 12241604.

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

It is a cyclic number.

It is a de Polignac number, because none of the positive numbers 2^k-40614221 is a prime.

It is a Duffinian number.

It is a Curzon number.

It is a junction number, because it is equal to n+sod(n) for n = 40614193 and 40614202.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (40614521) by changing a digit.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 15230 + ... + 17696.

It is an arithmetic number, because the mean of its divisors is an integer number (5160588).

Almost surely, 2^40614221 is an apocalyptic number.

It is an amenable number.

40614221 is a deficient number, since it is larger than the sum of its proper divisors (670483).

40614221 is a wasteful number, since it uses less digits than its factorization.

40614221 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 2731.

The product of its (nonzero) digits is 384, while the sum is 20.

The square root of 40614221 is about 6372.9287615664. The cubic root of 40614221 is about 343.7368102487.

Adding to 40614221 its reverse (12241604), we get a palindrome (52855825).

The spelling of 40614221 in words is "forty million, six hundred fourteen thousand, two hundred twenty-one".