Search a number
-
+
1230232222 = 2615116111
BaseRepresentation
bin100100101010011…
…1101101010011110
310011201220021100101
41021110331222132
510004414412342
6322024051314
742325541602
oct11124755236
93151807311
101230232222
1158148574a
122a4003b3a
13167b4b07b
14b955d502
157300d3b7
hex4953da9e

1230232222 has 4 divisors (see below), whose sum is σ = 1845348336. Its totient is φ = 615116110.

The previous prime is 1230232163. The next prime is 1230232249. The reversal of 1230232222 is 2222320321.

It is a semiprime because it is the product of two primes.

It is a self number, because there is not a number n which added to its sum of digits gives 1230232222.

It is a congruent number.

It is an unprimeable number.

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 as a sum of consecutive naturals, namely, 307558054 + ... + 307558057.

It is an arithmetic number, because the mean of its divisors is an integer number (461337084).

Almost surely, 21230232222 is an apocalyptic number.

1230232222 is a deficient number, since it is larger than the sum of its proper divisors (615116114).

1230232222 is an equidigital number, since it uses as much as digits as its factorization.

1230232222 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 615116113.

The product of its (nonzero) digits is 576, while the sum is 19.

The square root of 1230232222 is about 35074.6663847285. Note that the first 3 decimals coincide. The cubic root of 1230232222 is about 1071.5086942376.

Adding to 1230232222 its reverse (2222320321), we get a palindrome (3452552543).

The spelling of 1230232222 in words is "one billion, two hundred thirty million, two hundred thirty-two thousand, two hundred twenty-two".

Divisors: 1 2 615116111 1230232222