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2214021213 = 32246002357
BaseRepresentation
bin1000001111110111…
…0100100001011101
312201022001221010200
42003331310201131
514013242134323
61003410054113
7105602604225
oct20375644135
95638057120
102214021213
11a368369a8
1251957a339
13293900631
1417008b085
15ce58b443
hex83f7485d

2214021213 has 6 divisors (see below), whose sum is σ = 3198030654. Its totient is φ = 1476014136.

The previous prime is 2214021191. The next prime is 2214021233. The reversal of 2214021213 is 3121204122.

It is a happy number.

It can be written as a sum of positive squares in only one way, i.e., 1410978969 + 803042244 = 37563^2 + 28338^2 .

It is not a de Polignac number, because 2214021213 - 25 = 2214021181 is a prime.

It is a super-2 number, since 2×22140212132 = 9803779863227982738, which contains 22 as substring.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (2214021233) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (17) of ones.

It is a polite number, since it can be written in 5 ways as a sum of consecutive naturals, for example, 123001170 + ... + 123001187.

It is an arithmetic number, because the mean of its divisors is an integer number (533005109).

Almost surely, 22214021213 is an apocalyptic number.

It is an amenable number.

2214021213 is a deficient number, since it is larger than the sum of its proper divisors (984009441).

2214021213 is a wasteful number, since it uses less digits than its factorization.

2214021213 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 246002363 (or 246002360 counting only the distinct ones).

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

The square root of 2214021213 is about 47053.3868387813. The cubic root of 2214021213 is about 1303.3486082957.

Adding to 2214021213 its reverse (3121204122), we get a palindrome (5335225335).

The spelling of 2214021213 in words is "two billion, two hundred fourteen million, twenty-one thousand, two hundred thirteen".

Divisors: 1 3 9 246002357 738007071 2214021213