222246679 has 4 divisors (see below), whose sum is σ = 228253384. Its totient is φ = 216239976.

The previous prime is 222246643. The next prime is 222246697. The reversal of 222246679 is 976642222.

It is a semiprime because it is the product of two primes.

It is a cyclic number.

It is not a de Polignac number, because 222246679 - 2⁷ = 222246551 is a prime.

It is a Duffinian number.

It is a plaindrome in base 10.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (222240679) by changing a digit.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 3003297 + ... + 3003370.

It is an arithmetic number, because the mean of its divisors is an integer number (57063346).

Almost surely, 2^222246679 is an apocalyptic number.

222246679 is a deficient number, since it is larger than the sum of its proper divisors (6006705).

222246679 is an equidigital number, since it uses as much as digits as its factorization.

222246679 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 6006704.

The product of its digits is 145152, while the sum is 40.

The square root of 222246679 is about 14907.9401326944. The cubic root of 222246679 is about 605.7290839195.

The spelling of 222246679 in words is "two hundred twenty-two million, two hundred forty-six thousand, six hundred seventy-nine".