222602441 has 4 divisors (see below), whose sum is σ = 232280832. Its totient is φ = 212924052.

The previous prime is 222602399. The next prime is 222602447. The reversal of 222602441 is 144206222.

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 a de Polignac number, because none of the positive numbers 2^k-222602441 is a prime.

It is a Harshad number since it is a multiple of its sum of digits (23), and also a Moran number because the ratio is a prime number: 9678367 = 222602441 / (2 + 2 + 2 + 6 + 0 + 2 + 4 + 4 + 1).

It is a Duffinian number.

It is not an unprimeable number, because it can be changed into a prime (222602447) 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, 4839161 + ... + 4839206.

It is an arithmetic number, because the mean of its divisors is an integer number (58070208).

Almost surely, 2^222602441 is an apocalyptic number.

It is an amenable number.

222602441 is a deficient number, since it is larger than the sum of its proper divisors (9678391).

222602441 is an equidigital number, since it uses as much as digits as its factorization.

222602441 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 9678390.

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

The square root of 222602441 is about 14919.8673251474. The cubic root of 222602441 is about 606.0521191291.

Adding to 222602441 its reverse (144206222), we get a palindrome (366808663).

The spelling of 222602441 in words is "two hundred twenty-two million, six hundred two thousand, four hundred forty-one".