222640201 has 8 divisors (see below), whose sum is σ = 254732544. Its totient is φ = 190619520.

The previous prime is 222640193. The next prime is 222640213. The reversal of 222640201 is 102046222.

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

It is not a de Polignac number, because 222640201 - 2³ = 222640193 is a prime.

It is a Duffinian number.

It is not an unprimeable number, because it can be changed into a prime (222640261) 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, 11080 + ... + 23833.

It is an arithmetic number, because the mean of its divisors is an integer number (31841568).

Almost surely, 2^222640201 is an apocalyptic number.

It is an amenable number.

222640201 is a deficient number, since it is larger than the sum of its proper divisors (32092343).

222640201 is an equidigital number, since it uses as much as digits as its factorization.

222640201 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 35831.

The product of its (nonzero) digits is 384, while the sum is 19.

The square root of 222640201 is about 14921.1326982907. The cubic root of 222640201 is about 606.0863853513.

Adding to 222640201 its reverse (102046222), we get a palindrome (324686423).

The spelling of 222640201 in words is "two hundred twenty-two million, six hundred forty thousand, two hundred one".