222222005 has 8 divisors (see below), whose sum is σ = 280701600. Its totient is φ = 168420816.

The previous prime is 222221971. The next prime is 222222029. The reversal of 222222005 is 500222222.

It is a happy number.

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

It is a cyclic number.

It is not a de Polignac number, because 222222005 - 2¹⁰ = 222220981 is a prime.

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, 1169495 + ... + 1169684.

It is an arithmetic number, because the mean of its divisors is an integer number (35087700).

Almost surely, 2^222222005 is an apocalyptic number.

It is an amenable number.

222222005 is a deficient number, since it is larger than the sum of its proper divisors (58479595).

222222005 is a wasteful number, since it uses less digits than its factorization.

222222005 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 2339203.

The product of its (nonzero) digits is 320, while the sum is 17.

The square root of 222222005 is about 14907.1125641420. The cubic root of 222222005 is about 605.7066669178.

Adding to 222222005 its reverse (500222222), we get a palindrome (722444227).

The spelling of 222222005 in words is "two hundred twenty-two million, two hundred twenty-two thousand, five".