222225065 has 8 divisors (see below), whose sum is σ = 266752968. Its totient is φ = 177724800.

The previous prime is 222225061. The next prime is 222225137. The reversal of 222225065 is 560522222.

It can be written as a sum of positive squares in 4 ways, for example, as 13162384 + 209062681 = 3628^2 + 14459^2 .

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

It is not a de Polignac number, because 222225065 - 2² = 222225061 is a prime.

It is a Duffinian number.

It is not an unprimeable number, because it can be changed into a prime (222225061) 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, 21149 + ... + 29861.

It is an arithmetic number, because the mean of its divisors is an integer number (33344121).

Almost surely, 2^222225065 is an apocalyptic number.

It is an amenable number.

222225065 is a deficient number, since it is larger than the sum of its proper divisors (44527903).

222225065 is an equidigital number, since it uses as much as digits as its factorization.

222225065 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 13819.

The product of its (nonzero) digits is 4800, while the sum is 26.

The square root of 222225065 is about 14907.2151993590. The cubic root of 222225065 is about 605.7094471014.

Adding to 222225065 its reverse (560522222), we get a palindrome (782747287).

The spelling of 222225065 in words is "two hundred twenty-two million, two hundred twenty-five thousand, sixty-five".