141415221 has 8 divisors (see below), whose sum is σ = 193649824. Its totient is φ = 91728720.

The previous prime is 141415207. The next prime is 141415229. The reversal of 141415221 is 122514141.

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

It is not a de Polignac number, because 141415221 - 2¹⁰ = 141414197 is a prime.

It is a Duffinian number.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (141415229) 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, 636895 + ... + 637116.

It is an arithmetic number, because the mean of its divisors is an integer number (24206228).

Almost surely, 2^141415221 is an apocalyptic number.

It is an amenable number.

141415221 is a deficient number, since it is larger than the sum of its proper divisors (52234603).

141415221 is a wasteful number, since it uses less digits than its factorization.

141415221 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 1274051.

The product of its digits is 320, while the sum is 21.

The square root of 141415221 is about 11891.8131922764. The cubic root of 141415221 is about 520.9931967139.

Adding to 141415221 its reverse (122514141), we get a palindrome (263929362).

The spelling of 141415221 in words is "one hundred forty-one million, four hundred fifteen thousand, two hundred twenty-one".