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BaseRepresentation
bin11010011101111…
…00001001101001
3120110202210110102
431032330021221
5423314121301
634010355145
75334066134
oct1516741151
9513683412
10222020201
11104363077
126242bab5
1336cc7100
14216b521b
1514758b6b
hexd3bc269

222020201 has 24 divisors (see below), whose sum is σ = 251991000. Its totient is φ = 195267072.

The previous prime is 222020191. The next prime is 222020213. The reversal of 222020201 is 102020222.

It can be written as a sum of positive squares in 12 ways, for example, as 107101801 + 114918400 = 10349^2 + 10720^2 .

It is not a de Polignac number, because 222020201 - 222 = 217825897 is a prime.

It is a Duffinian number.

It is not an unprimeable number, because it can be changed into a prime (222020231) by changing a digit.

It is a polite number, since it can be written in 23 ways as a sum of consecutive naturals, for example, 435935 + ... + 436443.

It is an arithmetic number, because the mean of its divisors is an integer number (10499625).

Almost surely, 2222020201 is an apocalyptic number.

It is an amenable number.

222020201 is a deficient number, since it is larger than the sum of its proper divisors (29970799).

222020201 is a wasteful number, since it uses less digits than its factorization.

222020201 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 653 (or 640 counting only the distinct ones).

The product of its (nonzero) digits is 32, while the sum is 11.

The square root of 222020201 is about 14900.3423115041. The cubic root of 222020201 is about 605.5232601667.

Adding to 222020201 its reverse (102020222), we get a palindrome (324040423).

The spelling of 222020201 in words is "two hundred twenty-two million, twenty thousand, two hundred one".