Search a number
-
+
122221322 = 2481312697
BaseRepresentation
bin1110100100011…
…11001100001010
322111222111010122
413102033030022
5222242040242
620043343242
73012602246
oct722171412
9274874118
10122221322
1162a99763
1234b21b22
131c424012
1412337426
15aae3ad2
hex748f30a

122221322 has 8 divisors (see below), whose sum is σ = 183384516. Its totient is φ = 61093152.

The previous prime is 122221301. The next prime is 122221327. The reversal of 122221322 is 223122221.

It can be written as a sum of positive squares in 2 ways, for example, as 122124601 + 96721 = 11051^2 + 311^2 .

It is a sphenic number, since it is the product of 3 distinct primes.

It is a self number, because there is not a number n which added to its sum of digits gives 122221322.

It is not an unprimeable number, because it can be changed into a prime (122221327) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (13) of ones.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 3278 + ... + 15974.

Almost surely, 2122221322 is an apocalyptic number.

122221322 is a deficient number, since it is larger than the sum of its proper divisors (61163194).

122221322 is a wasteful number, since it uses less digits than its factorization.

122221322 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 17512.

The product of its digits is 192, while the sum is 17.

The square root of 122221322 is about 11055.3752536945. The cubic root of 122221322 is about 496.2672992339.

Adding to 122221322 its reverse (223122221), we get a palindrome (345343543).

The spelling of 122221322 in words is "one hundred twenty-two million, two hundred twenty-one thousand, three hundred twenty-two".

Divisors: 1 2 4813 9626 12697 25394 61110661 122221322