221114641 has 4 divisors (see below), whose sum is σ = 241215984. Its totient is φ = 201013300.

The previous prime is 221114639. The next prime is 221114651. The reversal of 221114641 is 146411122.

221114641 is digitally balanced in base 2, because in such base it contains all the possibile digits an equal number of times.

It is a semiprime because it is the product of two primes, and also a Blum integer, because the two primes are equal to 3 mod 4.

It is a cyclic number.

It is not a de Polignac number, because 221114641 - 2¹ = 221114639 is a prime.

It is a Duffinian number.

It is not an unprimeable number, because it can be changed into a prime (221114651) by changing a digit.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 10050655 + ... + 10050676.

It is an arithmetic number, because the mean of its divisors is an integer number (60303996).

Almost surely, 2^221114641 is an apocalyptic number.

It is an amenable number.

221114641 is a deficient number, since it is larger than the sum of its proper divisors (20101343).

221114641 is a wasteful number, since it uses less digits than its factorization.

221114641 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 20101342.

The product of its digits is 384, while the sum is 22.

The square root of 221114641 is about 14869.9240415007. The cubic root of 221114641 is about 604.6988834635.

Adding to 221114641 its reverse (146411122), we get a palindrome (367525763).

The spelling of 221114641 in words is "two hundred twenty-one million, one hundred fourteen thousand, six hundred forty-one".