222345045 has 48 divisors (see below), whose sum is σ = 424744320. Its totient is φ = 106904448.

The previous prime is 222345043. The next prime is 222345047. The reversal of 222345045 is 540543222.

It is a happy number.

222345045 is digitally balanced in base 2, because in such base it contains all the possibile digits an equal number of times.

It is an interprime number because it is at equal distance from previous prime (222345043) and next prime (222345047).

It is not a de Polignac number, because 222345045 - 2¹ = 222345043 is a prime.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (222345041) by changing a digit.

It is a polite number, since it can be written in 47 ways as a sum of consecutive naturals, for example, 20736 + ... + 29574.

It is an arithmetic number, because the mean of its divisors is an integer number (8848840).

Almost surely, 2^222345045 is an apocalyptic number.

It is an amenable number.

222345045 is a deficient number, since it is larger than the sum of its proper divisors (202399275).

222345045 is a wasteful number, since it uses less digits than its factorization.

222345045 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 8906 (or 8903 counting only the distinct ones).

The product of its (nonzero) digits is 9600, while the sum is 27.

The square root of 222345045 is about 14911.2388821318. The cubic root of 222345045 is about 605.8184356240.

Adding to 222345045 its reverse (540543222), we get a palindrome (762888267).

The spelling of 222345045 in words is "two hundred twenty-two million, three hundred forty-five thousand, forty-five".