222224667778 has 8 divisors (see below), whose sum is σ = 336452301072. Its totient is φ = 110073900756.

The previous prime is 222224667761. The next prime is 222224667823. The reversal of 222224667778 is 877766422222.

It is a happy number.

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

It is a plaindrome in base 10.

It is an unprimeable number.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 519216300 + ... + 519216727.

It is an arithmetic number, because the mean of its divisors is an integer number (42056537634).

Almost surely, 2^222224667778 is an apocalyptic number.

222224667778 is a deficient number, since it is larger than the sum of its proper divisors (114227633294).

222224667778 is a wasteful number, since it uses less digits than its factorization.

222224667778 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 1038433136.

The product of its digits is 12644352, while the sum is 55.

The spelling of 222224667778 in words is "two hundred twenty-two billion, two hundred twenty-four million, six hundred sixty-seven thousand, seven hundred seventy-eight".