221140414 has 16 divisors (see below), whose sum is σ = 362206080. Its totient is φ = 100423960.

The previous prime is 221140393. The next prime is 221140417. The reversal of 221140414 is 414041122.

It is a junction number, because it is equal to n+sod(n) for n = 221140391 and 221140400.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (221140417) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (17) of ones.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 22797 + ... + 31015.

It is an arithmetic number, because the mean of its divisors is an integer number (22637880).

Almost surely, 2^221140414 is an apocalyptic number.

221140414 is a deficient number, since it is larger than the sum of its proper divisors (141065666).

221140414 is a wasteful number, since it uses less digits than its factorization.

221140414 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 9455.

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

The square root of 221140414 is about 14870.7906313013. The cubic root of 221140414 is about 604.7223770062.

Adding to 221140414 its reverse (414041122), we get a palindrome (635181536).

The spelling of 221140414 in words is "two hundred twenty-one million, one hundred forty thousand, four hundred fourteen".