Search a number
-
+
222965147 is a prime number
BaseRepresentation
bin11010100101000…
…10110110011011
3120112112210200102
431102202312123
5424034341042
634042530015
75345113106
oct1522426633
9515483612
10222965147
11104949019
126280690b
1337268252
142187d73d
1514893b32
hexd4a2d9b

222965147 has 2 divisors, whose sum is σ = 222965148. Its totient is φ = 222965146.

The previous prime is 222965131. The next prime is 222965161. The reversal of 222965147 is 741569222.

It is a strong prime.

It is a cyclic number.

It is not a de Polignac number, because 222965147 - 24 = 222965131 is a prime.

It is a self number, because there is not a number n which added to its sum of digits gives 222965147.

It is not a weakly prime, because it can be changed into another prime (222965107) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 111482573 + 111482574.

It is an arithmetic number, because the mean of its divisors is an integer number (111482574).

Almost surely, 2222965147 is an apocalyptic number.

222965147 is a deficient number, since it is larger than the sum of its proper divisors (1).

222965147 is an equidigital number, since it uses as much as digits as its factorization.

222965147 is an odious number, because the sum of its binary digits is odd.

The product of its digits is 60480, while the sum is 38.

The square root of 222965147 is about 14932.0175127141. The cubic root of 222965147 is about 606.3811054253.

It can be divided in two parts, 2229 and 65147, that added together give a palindrome (67376).

The spelling of 222965147 in words is "two hundred twenty-two million, nine hundred sixty-five thousand, one hundred forty-seven".