220222201 has 8 divisors (see below), whose sum is σ = 228817800. Its totient is φ = 211693440.

The previous prime is 220222181. The next prime is 220222231. The reversal of 220222201 is 102222022.

It can be written as a sum of positive squares in 4 ways, for example, as 145226601 + 74995600 = 12051^2 + 8660^2 .

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 220222201 - 2⁵ = 220222169 is a prime.

It is a Duffinian number.

It is not an unprimeable number, because it can be changed into a prime (220222231) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (13) of ones.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 9940 + ... + 23221.

It is an arithmetic number, because the mean of its divisors is an integer number (28602225).

Almost surely, 2^220222201 is an apocalyptic number.

It is an amenable number.

220222201 is a deficient number, since it is larger than the sum of its proper divisors (8595599).

220222201 is a wasteful number, since it uses less digits than its factorization.

220222201 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 33419.

The product of its (nonzero) digits is 64, while the sum is 13.

The square root of 220222201 is about 14839.8854779948. The cubic root of 220222201 is about 603.8842455031.

Adding to 220222201 its reverse (102222022), we get a palindrome (322444223).

The spelling of 220222201 in words is "two hundred twenty million, two hundred twenty-two thousand, two hundred one".