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2220023201 = 11521387371
BaseRepresentation
bin1000010001010010…
…1101110110100001
312201201100212022112
42010110231312201
514021311220301
61004142445105
7106004612564
oct20424556641
95651325275
102220023201
11a3a166320
1251b593795
13294c224c6
14170bb04db
15ced749bb
hex8452dda1

2220023201 has 8 divisors (see below), whose sum is σ = 2426498208. Its totient is φ = 2014324000.

The previous prime is 2220023191. The next prime is 2220023219. The reversal of 2220023201 is 1023200222.

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 2220023201 - 210 = 2220022177 is a prime.

It is a Duffinian number.

It is not an unprimeable number, because it can be changed into a prime (2220023261) 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, 187955 + ... + 199416.

It is an arithmetic number, because the mean of its divisors is an integer number (303312276).

Almost surely, 22220023201 is an apocalyptic number.

It is an amenable number.

2220023201 is a deficient number, since it is larger than the sum of its proper divisors (206475007).

2220023201 is a wasteful number, since it uses less digits than its factorization.

2220023201 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 387903.

The product of its (nonzero) digits is 96, while the sum is 14.

The square root of 2220023201 is about 47117.1221638164. The cubic root of 2220023201 is about 1304.5252944770.

Adding to 2220023201 its reverse (1023200222), we get a palindrome (3243223423).

The spelling of 2220023201 in words is "two billion, two hundred twenty million, twenty-three thousand, two hundred one".

Divisors: 1 11 521 5731 387371 4261081 201820291 2220023201