Search a number
-
+
2205423553 is a prime number
BaseRepresentation
bin1000001101110100…
…0001011111000001
312200200220010100211
42003131001133001
514004042023203
61002501514121
7105436535164
oct20335013701
95620803324
102205423553
11a319a43a3
12516712941
13291bb0168
1416cc8dadb
15cd93dc6d
hex837417c1

2205423553 has 2 divisors, whose sum is σ = 2205423554. Its totient is φ = 2205423552.

The previous prime is 2205423529. The next prime is 2205423569. The reversal of 2205423553 is 3553245022.

It is a strong prime.

It can be written as a sum of positive squares in only one way, i.e., 2173704129 + 31719424 = 46623^2 + 5632^2 .

It is a cyclic number.

It is not a de Polignac number, because 2205423553 - 225 = 2171869121 is a prime.

It is not a weakly prime, because it can be changed into another prime (2205423503) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 1102711776 + 1102711777.

It is an arithmetic number, because the mean of its divisors is an integer number (1102711777).

Almost surely, 22205423553 is an apocalyptic number.

It is an amenable number.

2205423553 is a deficient number, since it is larger than the sum of its proper divisors (1).

2205423553 is an equidigital number, since it uses as much as digits as its factorization.

2205423553 is an evil number, because the sum of its binary digits is even.

The product of its (nonzero) digits is 36000, while the sum is 31.

The square root of 2205423553 is about 46961.9372790348. The cubic root of 2205423553 is about 1301.6593314095.

Adding to 2205423553 its reverse (3553245022), we get a palindrome (5758668575).

The spelling of 2205423553 in words is "two billion, two hundred five million, four hundred twenty-three thousand, five hundred fifty-three".