222224645 has 8 divisors (see below), whose sum is σ = 272871456. Its totient is φ = 173645136.

The previous prime is 222224599. The next prime is 222224669. The reversal of 222224645 is 546422222.

222224645 is digitally balanced in base 2, because in such base it contains all the possibile digits an equal number of times.

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

It is a cyclic number.

It is a de Polignac number, because none of the positive numbers 2^k-222224645 is a prime.

It is a Duffinian number.

It is a congruent number.

It is an unprimeable number.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 516587 + ... + 517016.

It is an arithmetic number, because the mean of its divisors is an integer number (34108932).

Almost surely, 2^222224645 is an apocalyptic number.

It is an amenable number.

222224645 is a deficient number, since it is larger than the sum of its proper divisors (50646811).

222224645 is a wasteful number, since it uses less digits than its factorization.

222224645 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 1033651.

The product of its digits is 15360, while the sum is 29.

The square root of 222224645 is about 14907.2011122142. The cubic root of 222224645 is about 605.7090655091.

Adding to 222224645 its reverse (546422222), we get a palindrome (768646867).

The spelling of 222224645 in words is "two hundred twenty-two million, two hundred twenty-four thousand, six hundred forty-five".