222223444445 has 16 divisors (see below), whose sum is σ = 268960537920. Its totient is φ = 176255823744.

The previous prime is 222223444411. The next prime is 222223444453. The reversal of 222223444445 is 544444322222.

It is a cyclic number.

It is not a de Polignac number, because 222223444445 - 2¹⁸ = 222223182301 is a prime.

It is a super-2 number, since 2×222223444445² (a number of 23 digits) contains 22 as substring.

It is a plaindrome in base 10.

It is a junction number, because it is equal to n+sod(n) for n = 222223444399 and 222223444408.

It is a congruent number.

It is an unprimeable number.

It is a pernicious number, because its binary representation contains a prime number (23) of ones.

It is a polite number, since it can be written in 15 ways as a sum of consecutive naturals, for example, 2 + ... + 666668.

It is an arithmetic number, because the mean of its divisors is an integer number (16810033620).

Almost surely, 2^222223444445 is an apocalyptic number.

It is an amenable number.

222223444445 is a deficient number, since it is larger than the sum of its proper divisors (46737093475).

222223444445 is a wasteful number, since it uses less digits than its factorization.

222223444445 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 667244.

The product of its digits is 491520, while the sum is 38.

Adding to 222223444445 its reverse (544444322222), we get a palindrome (766667766667).

The spelling of 222223444445 in words is "two hundred twenty-two billion, two hundred twenty-three million, four hundred forty-four thousand, four hundred forty-five".