Search a number
-
+
322142201221 = 1220326398607
BaseRepresentation
bin1001011000000010010…
…10111110010110000101
31010210111122101101121211
410230001022332112011
520234221400414341
6403553505211421
732162661350011
oct4540112762605
91123448341554
10322142201221
1111468a968855
1252524930b71
13244bb27bb19
141183db3b541
1585a652b181
hex4b012be585

322142201221 has 4 divisors (see below), whose sum is σ = 322168612032. Its totient is φ = 322115790412.

The previous prime is 322142201197. The next prime is 322142201287. The reversal of 322142201221 is 122102241223.

It is a semiprime because it is the product of two primes, and also a Blum integer, because the two primes are equal to 3 mod 4.

It is a cyclic number.

It is not a de Polignac number, because 322142201221 - 211 = 322142199173 is a prime.

It is a super-2 number, since 2×3221422012212 (a number of 24 digits) contains 22 as substring.

It is a Duffinian number.

It is a junction number, because it is equal to n+sod(n) for n = 322142201192 and 322142201201.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (322142201321) by changing a digit.

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 in 3 ways as a sum of consecutive naturals, for example, 13187101 + ... + 13211506.

It is an arithmetic number, because the mean of its divisors is an integer number (80542153008).

Almost surely, 2322142201221 is an apocalyptic number.

It is an amenable number.

322142201221 is a deficient number, since it is larger than the sum of its proper divisors (26410811).

322142201221 is a wasteful number, since it uses less digits than its factorization.

322142201221 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 26410810.

The product of its (nonzero) digits is 768, while the sum is 22.

Adding to 322142201221 its reverse (122102241223), we get a palindrome (444244442444).

The spelling of 322142201221 in words is "three hundred twenty-two billion, one hundred forty-two million, two hundred one thousand, two hundred twenty-one".

Divisors: 1 12203 26398607 322142201221