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2122202201 = 72792811951
BaseRepresentation
bin111111001111110…
…0011110001011001
312110220022001010112
41332133203301121
513321240432301
6550330054105
7103406264300
oct17637436131
95426261115
102122202201
11999a22a19
124b287a335
1327a892762
14161bc9437
15c64a09bb
hex7e7e3c59

2122202201 has 24 divisors (see below), whose sum is σ = 2510115840. Its totient is φ = 1788696000.

The previous prime is 2122202179. The next prime is 2122202209. The reversal of 2122202201 is 1022022212.

It is not a de Polignac number, because 2122202201 - 222 = 2118007897 is a prime.

It is a Duffinian number.

It is not an unprimeable number, because it can be changed into a prime (2122202209) 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, 1086776 + ... + 1088726.

It is an arithmetic number, because the mean of its divisors is an integer number (104588160).

Almost surely, 22122202201 is an apocalyptic number.

It is an amenable number.

2122202201 is a deficient number, since it is larger than the sum of its proper divisors (387913639).

2122202201 is a wasteful number, since it uses less digits than its factorization.

2122202201 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 2325 (or 2318 counting only the distinct ones).

The product of its (nonzero) digits is 64, while the sum is 14.

The square root of 2122202201 is about 46067.3659003855. The cubic root of 2122202201 is about 1285.0763177937.

Adding to 2122202201 its reverse (1022022212), we get a palindrome (3144224413).

The spelling of 2122202201 in words is "two billion, one hundred twenty-two million, two hundred two thousand, two hundred one".

Divisors: 1 7 49 79 281 553 1951 1967 3871 13657 13769 22199 95599 154129 155393 548231 1078903 1087751 3837617 7552321 26863319 43310249 303171743 2122202201