222718673 has 8 divisors (see below), whose sum is σ = 225858600. Its totient is φ = 219593088.

The previous prime is 222718669. The next prime is 222718679. The reversal of 222718673 is 376817222.

222718673 is digitally balanced in base 2, because in such base it contains all the possibile digits an equal number of times.

It can be written as a sum of positive squares in 4 ways, for example, as 23541904 + 199176769 = 4852^2 + 14113^2 .

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 222718673 - 2² = 222718669 is a prime.

It is a Duffinian number.

It is not an unprimeable number, because it can be changed into a prime (222718679) 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, 29843 + ... + 36551.

It is an arithmetic number, because the mean of its divisors is an integer number (28232325).

Almost surely, 2^222718673 is an apocalyptic number.

It is an amenable number.

222718673 is a deficient number, since it is larger than the sum of its proper divisors (3139927).

222718673 is an equidigital number, since it uses as much as digits as its factorization.

222718673 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 7171.

The product of its digits is 56448, while the sum is 38.

The square root of 222718673 is about 14923.7620257092. The cubic root of 222718673 is about 606.1575842692.

The spelling of 222718673 in words is "two hundred twenty-two million, seven hundred eighteen thousand, six hundred seventy-three".