221041414 has 48 divisors (see below), whose sum is σ = 382092480. Its totient is φ = 95054400.

The previous prime is 221041397. The next prime is 221041433. The reversal of 221041414 is 414140122.

It is a junction number, because it is equal to n+sod(n) for n = 221041391 and 221041400.

It is a congruent number.

It is an unprimeable number.

It is a pernicious number, because its binary representation contains a prime number (13) of ones.

It is a polite number, since it can be written in 23 ways as a sum of consecutive naturals, for example, 1590157 + ... + 1590295.

It is an arithmetic number, because the mean of its divisors is an integer number (7960260).

Almost surely, 2^221041414 is an apocalyptic number.

221041414 is a deficient number, since it is larger than the sum of its proper divisors (161051066).

221041414 is a wasteful number, since it uses less digits than its factorization.

221041414 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 277 (or 236 counting only the distinct ones).

The product of its (nonzero) digits is 256, while the sum is 19.

The square root of 221041414 is about 14867.4615856238. The cubic root of 221041414 is about 604.6321229601.

Adding to 221041414 its reverse (414140122), we get a palindrome (635181536).

The spelling of 221041414 in words is "two hundred twenty-one million, forty-one thousand, four hundred fourteen".