Search a number
-
+
222363331 is a prime number
BaseRepresentation
bin11010100000011…
…11111011000011
3120111102020010221
431100033323003
5423411111311
634022003511
75340025411
oct1520177303
9514366127
10222363331
11104577953
1262576597
13370b7348
14217642b1
15147c5671
hexd40fec3

222363331 has 2 divisors, whose sum is σ = 222363332. Its totient is φ = 222363330.

The previous prime is 222363311. The next prime is 222363343. The reversal of 222363331 is 133363222.

It is a strong prime.

It is a cyclic number.

It is not a de Polignac number, because 222363331 - 27 = 222363203 is a prime.

It is a super-2 number, since 2×2223633312 = 98890901946831122, which contains 22 as substring.

It is equal to p12245542 and since 222363331 and 12245542 have the same sum of digits, it is a Honaker prime.

It is a junction number, because it is equal to n+sod(n) for n = 222363296 and 222363305.

It is not a weakly prime, because it can be changed into another prime (222363311) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 111181665 + 111181666.

It is an arithmetic number, because the mean of its divisors is an integer number (111181666).

Almost surely, 2222363331 is an apocalyptic number.

222363331 is a deficient number, since it is larger than the sum of its proper divisors (1).

222363331 is an equidigital number, since it uses as much as digits as its factorization.

222363331 is an odious number, because the sum of its binary digits is odd.

The product of its digits is 3888, while the sum is 25.

The square root of 222363331 is about 14911.8520311865. The cubic root of 222363331 is about 605.8350429835.

The spelling of 222363331 in words is "two hundred twenty-two million, three hundred sixty-three thousand, three hundred thirty-one".