222602045 has 4 divisors (see below), whose sum is σ = 267122460. Its totient is φ = 178081632.

The previous prime is 222601991. The next prime is 222602047. The reversal of 222602045 is 540206222.

222602045 is digitally balanced in base 2, because in such base it contains all the possibile digits an equal number of times.

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 148693636 + 73908409 = 12194^2 + 8597^2 .

It is a cyclic number.

It is not a de Polignac number, because 222602045 - 2¹⁰ = 222601021 is a prime.

It is a self number, because there is not a number n which added to its sum of digits gives 222602045.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (222602047) 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, 22260200 + ... + 22260209.

It is an arithmetic number, because the mean of its divisors is an integer number (66780615).

Almost surely, 2^222602045 is an apocalyptic number.

It is an amenable number.

222602045 is a deficient number, since it is larger than the sum of its proper divisors (44520415).

222602045 is an equidigital number, since it uses as much as digits as its factorization.

222602045 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 44520414.

The product of its (nonzero) digits is 1920, while the sum is 23.

The square root of 222602045 is about 14919.8540542460. The cubic root of 222602045 is about 606.0517597488.

Adding to 222602045 its reverse (540206222), we get a palindrome (762808267).

The spelling of 222602045 in words is "two hundred twenty-two million, six hundred two thousand, forty-five".