Search a number
-
+
2202215551 is a prime number
BaseRepresentation
bin1000001101000011…
…0010010001111111
312200110212010210221
42003100302101333
514002231344201
61002305042211
7105400344334
oct20320622177
95613763727
102202215551
11a30103158
12515626367
13291328c33
1416c69698b
15cd5084a1
hex8343247f

2202215551 has 2 divisors, whose sum is σ = 2202215552. Its totient is φ = 2202215550.

The previous prime is 2202215467. The next prime is 2202215557. The reversal of 2202215551 is 1555122022.

It is a strong prime.

It is a cyclic number.

It is not a de Polignac number, because 2202215551 - 27 = 2202215423 is a prime.

It is a congruent number.

It is not a weakly prime, because it can be changed into another prime (2202215557) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 1101107775 + 1101107776.

It is an arithmetic number, because the mean of its divisors is an integer number (1101107776).

Almost surely, 22202215551 is an apocalyptic number.

2202215551 is a deficient number, since it is larger than the sum of its proper divisors (1).

2202215551 is an equidigital number, since it uses as much as digits as its factorization.

2202215551 is an odious number, because the sum of its binary digits is odd.

The product of its (nonzero) digits is 2000, while the sum is 25.

The square root of 2202215551 is about 46927.7695080429. The cubic root of 2202215551 is about 1301.0278953246.

Adding to 2202215551 its reverse (1555122022), we get a palindrome (3757337573).

It can be divided in two parts, 22022 and 15551, that added together give a palindrome (37573).

The spelling of 2202215551 in words is "two billion, two hundred two million, two hundred fifteen thousand, five hundred fifty-one".