222286665 has 8 divisors (see below), whose sum is σ = 355658688. Its totient is φ = 118552880.

The previous prime is 222286663. The next prime is 222286721. The reversal of 222286665 is 566682222.

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

It is not a de Polignac number, because 222286665 - 2¹ = 222286663 is a prime.

It is a super-2 number, since 2×222286665² = 98822722873644450, which contains 22 as substring.

It is not an unprimeable number, because it can be changed into a prime (222286661) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (17) of ones.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 7409541 + ... + 7409570.

It is an arithmetic number, because the mean of its divisors is an integer number (44457336).

Almost surely, 2^222286665 is an apocalyptic number.

It is an amenable number.

222286665 is a deficient number, since it is larger than the sum of its proper divisors (133372023).

222286665 is a wasteful number, since it uses less digits than its factorization.

222286665 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 14819119.

The product of its digits is 138240, while the sum is 39.

The square root of 222286665 is about 14909.2811697949. The cubic root of 222286665 is about 605.7654087679.

The spelling of 222286665 in words is "two hundred twenty-two million, two hundred eighty-six thousand, six hundred sixty-five".