222314545 has 4 divisors (see below), whose sum is σ = 266777460. Its totient is φ = 177851632.

The previous prime is 222314539. The next prime is 222314549. The reversal of 222314545 is 545413222.

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

It can be written as a sum of positive squares in 2 ways, for example, as 42003361 + 180311184 = 6481^2 + 13428^2 .

It is a cyclic number.

It is not a de Polignac number, because 222314545 - 2⁹ = 222314033 is a prime.

It is not an unprimeable number, because it can be changed into a prime (222314549) 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, 22231450 + ... + 22231459.

It is an arithmetic number, because the mean of its divisors is an integer number (66694365).

Almost surely, 2^222314545 is an apocalyptic number.

It is an amenable number.

222314545 is a deficient number, since it is larger than the sum of its proper divisors (44462915).

222314545 is an equidigital number, since it uses as much as digits as its factorization.

222314545 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 44462914.

The product of its digits is 9600, while the sum is 28.

The square root of 222314545 is about 14910.2161285476. The cubic root of 222314545 is about 605.7907334742.

Adding to 222314545 its reverse (545413222), we get a palindrome (767727767).

The spelling of 222314545 in words is "two hundred twenty-two million, three hundred fourteen thousand, five hundred forty-five".