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2122210413 = 32235801157
BaseRepresentation
bin111111001111110…
…0101110001101101
312110220022110101200
41332133211301231
513321241213123
6550330200113
7103406330241
oct17637456155
95426273350
102122210413
11999a29104
124b2883039
1327a89640b
14161bcc421
15c64a3143
hex7e7e5c6d

2122210413 has 6 divisors (see below), whose sum is σ = 3065415054. Its totient is φ = 1414806936.

The previous prime is 2122210393. The next prime is 2122210421. The reversal of 2122210413 is 3140122212.

It is a happy number.

2122210413 is a `hidden beast` number, since 21 + 22 + 210 + 413 = 666.

It can be written as a sum of positive squares in only one way, i.e., 2101580649 + 20629764 = 45843^2 + 4542^2 .

It is not a de Polignac number, because 2122210413 - 25 = 2122210381 is a prime.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (2122210423) by changing a digit.

It is a polite number, since it can be written in 5 ways as a sum of consecutive naturals, for example, 117900570 + ... + 117900587.

It is an arithmetic number, because the mean of its divisors is an integer number (510902509).

Almost surely, 22122210413 is an apocalyptic number.

It is an amenable number.

2122210413 is a deficient number, since it is larger than the sum of its proper divisors (943204641).

2122210413 is a wasteful number, since it uses less digits than its factorization.

2122210413 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 235801163 (or 235801160 counting only the distinct ones).

The product of its (nonzero) digits is 192, while the sum is 18.

The square root of 2122210413 is about 46067.4550306396. The cubic root of 2122210413 is about 1285.0779753538.

Adding to 2122210413 its reverse (3140122212), we get a palindrome (5262332625).

The spelling of 2122210413 in words is "two billion, one hundred twenty-two million, two hundred ten thousand, four hundred thirteen".

Divisors: 1 3 9 235801157 707403471 2122210413