222245345 has 16 divisors (see below), whose sum is σ = 305036928. Its totient is φ = 152275200.

The previous prime is 222245329. The next prime is 222245351. The reversal of 222245345 is 543542222.

It is not a de Polignac number, because 222245345 - 2⁴ = 222245329 is a prime.

It is an unprimeable number.

It is a polite number, since it can be written in 15 ways as a sum of consecutive naturals, for example, 77945 + ... + 80745.

It is an arithmetic number, because the mean of its divisors is an integer number (19064808).

Almost surely, 2^222245345 is an apocalyptic number.

It is an amenable number.

222245345 is a deficient number, since it is larger than the sum of its proper divisors (82791583).

222245345 is a wasteful number, since it uses less digits than its factorization.

222245345 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 5080.

The product of its digits is 19200, while the sum is 29.

The square root of 222245345 is about 14907.8953913690. The cubic root of 222245345 is about 605.7278719866.

Adding to 222245345 its reverse (543542222), we get a palindrome (765787567).

The spelling of 222245345 in words is "two hundred twenty-two million, two hundred forty-five thousand, three hundred forty-five".