Search a number
-
+
2201221220330 = 251158213437743
BaseRepresentation
bin100000000010000011000…
…000100100011111101010
321210102201220001221211002
4200002003000210133222
5242031100113022310
64403121014035002
7315014212441136
oct40020300443752
97712656057732
102201221220330
11779594aa1990
122b6740648a62
1312c760897712
147877ac263c6
153c3d377eda5
hex200830247ea

2201221220330 has 32 divisors (see below), whose sum is σ = 4323141842688. Its totient is φ = 800306337600.

The previous prime is 2201221220311. The next prime is 2201221220333. The reversal of 2201221220330 is 330221221022.

It is a happy number.

It is not an unprimeable number, because it can be changed into a prime (2201221220333) by changing a digit.

It is a polite number, since it can be written in 15 ways as a sum of consecutive naturals, for example, 1078562 + ... + 2359181.

It is an arithmetic number, because the mean of its divisors is an integer number (135098182584).

Almost surely, 22201221220330 is an apocalyptic number.

2201221220330 is a deficient number, since it is larger than the sum of its proper divisors (2121920622358).

2201221220330 is a wasteful number, since it uses less digits than its factorization.

2201221220330 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 3443582.

The product of its (nonzero) digits is 576, while the sum is 20.

Adding to 2201221220330 its reverse (330221221022), we get a palindrome (2531442441352).

The spelling of 2201221220330 in words is "two trillion, two hundred one billion, two hundred twenty-one million, two hundred twenty thousand, three hundred thirty".

Divisors: 1 2 5 10 11 22 55 110 5821 11642 29105 58210 64031 128062 320155 640310 3437743 6875486 17188715 34377430 37815173 75630346 189075865 378151730 20011102003 40022204006 100055510015 200111020030 220122122033 440244244066 1100610610165 2201221220330