222105641 has 8 divisors (see below), whose sum is σ = 234368640. Its totient is φ = 210059872.

The previous prime is 222105613. The next prime is 222105647. The reversal of 222105641 is 146501222.

It is a happy number.

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-222105641 is a prime.

It is a Harshad number since it is a multiple of its sum of digits (23).

It is a Duffinian number.

It is not an unprimeable number, because it can be changed into a prime (222105647) 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, 52205 + ... + 56298.

It is an arithmetic number, because the mean of its divisors is an integer number (29296080).

Almost surely, 2^222105641 is an apocalyptic number.

It is an amenable number.

222105641 is a deficient number, since it is larger than the sum of its proper divisors (12262999).

222105641 is a wasteful number, since it uses less digits than its factorization.

222105641 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 108615.

The product of its (nonzero) digits is 960, while the sum is 23.

The square root of 222105641 is about 14903.2090839524. The cubic root of 222105641 is about 605.6009246795.

Adding to 222105641 its reverse (146501222), we get a palindrome (368606863).

The spelling of 222105641 in words is "two hundred twenty-two million, one hundred five thousand, six hundred forty-one".