222025211 has 4 divisors (see below), whose sum is σ = 227188632. Its totient is φ = 216861792.

The previous prime is 222025183. The next prime is 222025217. The reversal of 222025211 is 112520222.

It is a semiprime because it is the product of two primes.

It is a cyclic number.

It is not a de Polignac number, because 222025211 - 2⁶ = 222025147 is a prime.

It is a Duffinian number.

It is a self number, because there is not a number n which added to its sum of digits gives 222025211.

It is not an unprimeable number, because it can be changed into a prime (222025217) 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, 2581646 + ... + 2581731.

It is an arithmetic number, because the mean of its divisors is an integer number (56797158).

Almost surely, 2^222025211 is an apocalyptic number.

222025211 is a deficient number, since it is larger than the sum of its proper divisors (5163421).

222025211 is an equidigital number, since it uses as much as digits as its factorization.

222025211 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 5163420.

The product of its (nonzero) digits is 160, while the sum is 17.

The square root of 222025211 is about 14900.5104274988. The cubic root of 222025211 is about 605.5278147804.

Adding to 222025211 its reverse (112520222), we get a palindrome (334545433).

The spelling of 222025211 in words is "two hundred twenty-two million, twenty-five thousand, two hundred eleven".