222556673 has 8 divisors (see below), whose sum is σ = 239643360. Its totient is φ = 205913920.

The previous prime is 222556661. The next prime is 222556679. The reversal of 222556673 is 376655222.

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 222556673 - 2⁸ = 222556417 is a prime.

It is a Duffinian number.

It is not an unprimeable number, because it can be changed into a prime (222556679) by changing a digit.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 109943 + ... + 111948.

It is an arithmetic number, because the mean of its divisors is an integer number (29955420).

Almost surely, 2^222556673 is an apocalyptic number.

It is an amenable number.

222556673 is a deficient number, since it is larger than the sum of its proper divisors (17086687).

222556673 is a wasteful number, since it uses less digits than its factorization.

222556673 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 221967.

The product of its digits is 151200, while the sum is 38.

The square root of 222556673 is about 14918.3334525007. Note that the first 3 decimals coincide. The cubic root of 222556673 is about 606.0105806588.

The spelling of 222556673 in words is "two hundred twenty-two million, five hundred fifty-six thousand, six hundred seventy-three".