222608601 has 8 divisors (see below), whose sum is σ = 329790560. Its totient is φ = 148405716.

The previous prime is 222608569. The next prime is 222608623. The reversal of 222608601 is 106806222.

It is not a de Polignac number, because 222608601 - 2⁵ = 222608569 is a prime.

It is a super-3 number, since 3×222608601³ (a number of 26 digits) contains 333 as substring.

It is a Harshad number since it is a multiple of its sum of digits (27), and also a Moran number because the ratio is a prime number: 8244763 = 222608601 / (2 + 2 + 2 + 6 + 0 + 8 + 6 + 0 + 1).

It is a Duffinian number.

It is not an unprimeable number, because it can be changed into a prime (222608201) 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, 4122355 + ... + 4122408.

It is an arithmetic number, because the mean of its divisors is an integer number (41223820).

Almost surely, 2^222608601 is an apocalyptic number.

It is an amenable number.

222608601 is a deficient number, since it is larger than the sum of its proper divisors (107181959).

222608601 is an equidigital number, since it uses as much as digits as its factorization.

222608601 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 8244772 (or 8244766 counting only the distinct ones).

The product of its (nonzero) digits is 2304, while the sum is 27.

The square root of 222608601 is about 14920.0737598713. The cubic root of 222608601 is about 606.0577094341.

The spelling of 222608601 in words is "two hundred twenty-two million, six hundred eight thousand, six hundred one".