222240641 has 8 divisors (see below), whose sum is σ = 259896384. Its totient is φ = 186061680.

The previous prime is 222240637. The next prime is 222240649. The reversal of 222240641 is 146042222.

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

It is not a de Polignac number, because 222240641 - 2² = 222240637 is a prime.

It is a Duffinian number.

It is not an unprimeable number, because it can be changed into a prime (222240649) 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, 368870 + ... + 369471.

It is an arithmetic number, because the mean of its divisors is an integer number (32487048).

Almost surely, 2^222240641 is an apocalyptic number.

It is an amenable number.

222240641 is a deficient number, since it is larger than the sum of its proper divisors (37655743).

222240641 is an equidigital number, since it uses as much as digits as its factorization.

222240641 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 738391.

The product of its (nonzero) digits is 1536, while the sum is 23.

The square root of 222240641 is about 14907.7376217855. The cubic root of 222240641 is about 605.7235983853.

Adding to 222240641 its reverse (146042222), we get a palindrome (368282863).

The spelling of 222240641 in words is "two hundred twenty-two million, two hundred forty thousand, six hundred forty-one".