Search a number
-
+
201222022 = 2100611011
BaseRepresentation
bin10111111111001…
…10011110000110
3112000122010201111
423333212132012
5403003101042
631544515234
74662234061
oct1377463606
9460563644
10201222022
11a36480a1
125747bb1a
13328c45b1
141ca1d8d8
15129eb517
hexbfe6786

201222022 has 4 divisors (see below), whose sum is σ = 301833036. Its totient is φ = 100611010.

The previous prime is 201222011. The next prime is 201222029. The reversal of 201222022 is 220222102.

It is a semiprime because it is the product of two primes.

It is a Smith number, since the sum of its digits (13) coincides with the sum of the digits of its prime factors. Since it is squarefree, it is also a hoax number.

It is a junction number, because it is equal to n+sod(n) for n = 201221993 and 201222011.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (201222029) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 50305504 + ... + 50305507.

It is an arithmetic number, because the mean of its divisors is an integer number (75458259).

Almost surely, 2201222022 is an apocalyptic number.

201222022 is a deficient number, since it is larger than the sum of its proper divisors (100611014).

201222022 is a wasteful number, since it uses less digits than its factorization.

201222022 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 100611013.

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

The square root of 201222022 is about 14185.2748299072. The cubic root of 201222022 is about 585.9922013196.

Adding to 201222022 its reverse (220222102), we get a palindrome (421444124).

The spelling of 201222022 in words is "two hundred one million, two hundred twenty-two thousand, twenty-two".

Divisors: 1 2 100611011 201222022