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2213314421 = 4195352757
BaseRepresentation
bin1000001111101100…
…0111111101110101
312201020202000121012
42003323013331311
514013102030141
61003343002005
7105563601503
oct20373077565
95636660535
102213314421
11a363a397a
12519299305
13293713a06
1416dd45673
15ce49bceb
hex83ec7f75

2213314421 has 4 divisors (see below), whose sum is σ = 2213409132. Its totient is φ = 2213219712.

The previous prime is 2213314399. The next prime is 2213314457. The reversal of 2213314421 is 1244133122.

It is a semiprime because it is the product of two primes, and also a brilliant number, because the two primes have the same length.

It can be written as a sum of positive squares in 2 ways, for example, as 1412707396 + 800607025 = 37586^2 + 28295^2 .

It is a cyclic number.

It is a de Polignac number, because none of the positive numbers 2k-2213314421 is a prime.

It is a Duffinian number.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (2213314121) by changing a digit.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 15575 + ... + 68331.

It is an arithmetic number, because the mean of its divisors is an integer number (553352283).

Almost surely, 22213314421 is an apocalyptic number.

It is an amenable number.

2213314421 is a deficient number, since it is larger than the sum of its proper divisors (94711).

2213314421 is an equidigital number, since it uses as much as digits as its factorization.

2213314421 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 94710.

The product of its digits is 1152, while the sum is 23.

The square root of 2213314421 is about 47045.8757065909. The cubic root of 2213314421 is about 1303.2099022454.

Adding to 2213314421 its reverse (1244133122), we get a palindrome (3457447543).

The spelling of 2213314421 in words is "two billion, two hundred thirteen million, three hundred fourteen thousand, four hundred twenty-one".

Divisors: 1 41953 52757 2213314421