Search a number
-
+
2223212479 is a prime number
BaseRepresentation
bin1000010010000011…
…1000011110111111
312201221100220011221
42010200320132333
514023120244404
61004335054211
7106043665015
oct20440703677
95657326157
102223212479
11a40a44494
12520671367
1329579b057
141713a08b5
15d02a4954
hex848387bf

2223212479 has 2 divisors, whose sum is σ = 2223212480. Its totient is φ = 2223212478.

The previous prime is 2223212393. The next prime is 2223212489. The reversal of 2223212479 is 9742123222.

It is a happy number.

2223212479 is digitally balanced in base 2, because in such base it contains all the possibile digits an equal number of times.

It is a strong prime.

It is a cyclic number.

It is not a de Polignac number, because 2223212479 - 27 = 2223212351 is a prime.

It is a congruent number.

It is not a weakly prime, because it can be changed into another prime (2223212489) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 1111606239 + 1111606240.

It is an arithmetic number, because the mean of its divisors is an integer number (1111606240).

Almost surely, 22223212479 is an apocalyptic number.

2223212479 is a deficient number, since it is larger than the sum of its proper divisors (1).

2223212479 is an equidigital number, since it uses as much as digits as its factorization.

2223212479 is an evil number, because the sum of its binary digits is even.

The product of its digits is 24192, while the sum is 34.

The square root of 2223212479 is about 47150.9541685001. The cubic root of 2223212479 is about 1305.1496878154.

The spelling of 2223212479 in words is "two billion, two hundred twenty-three million, two hundred twelve thousand, four hundred seventy-nine".