Search a number
-
+
2001202222 = 21513766103
BaseRepresentation
bin111011101000111…
…1110110000101110
312011110121121100211
41313101332300232
513044301432342
6530324413034
7100406636545
oct16721766056
95143547324
102001202222
11937698938
1247a24717a
1325b7a8636
1414dacd15c
15baa4dc17
hex7747ec2e

2001202222 has 8 divisors (see below), whose sum is σ = 3002047056. Its totient is φ = 1000519872.

The previous prime is 2001202211. The next prime is 2001202261. The reversal of 2001202222 is 2222021002.

It is a sphenic number, since it is the product of 3 distinct primes.

It is a congruent number.

It is an unprimeable number.

It is a pernicious number, because its binary representation contains a prime number (19) of ones.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 2778 + ... + 63325.

It is an arithmetic number, because the mean of its divisors is an integer number (375255882).

Almost surely, 22001202222 is an apocalyptic number.

2001202222 is a deficient number, since it is larger than the sum of its proper divisors (1000844834).

2001202222 is a wasteful number, since it uses less digits than its factorization.

2001202222 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 81242.

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

The square root of 2001202222 is about 44734.7987812620. The cubic root of 2001202222 is about 1260.1734501288.

Adding to 2001202222 its reverse (2222021002), we get a palindrome (4223223224).

The spelling of 2001202222 in words is "two billion, one million, two hundred two thousand, two hundred twenty-two".

Divisors: 1 2 15137 30274 66103 132206 1000601111 2001202222