Search a number
-
+
22231330002 = 2327176439127
BaseRepresentation
bin10100101101000101…
…110010110011010010
32010101100011120120200
4110231011302303102
5331012210030002
614113554320030
71414625121120
oct245505626322
963340146520
1022231330002
119479008302
124385289016
132133a5874b
14110c79a910
158a1ac5b1c
hex52d172cd2

22231330002 has 24 divisors (see below), whose sum is σ = 55049007936. Its totient is φ = 6351808536.

The previous prime is 22231329997. The next prime is 22231330003. The reversal of 22231330002 is 20003313222.

It is a happy number.

It is a Harshad number since it is a multiple of its sum of digits (18).

It is not an unprimeable number, because it can be changed into a prime (22231330003) 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 11 ways as a sum of consecutive naturals, for example, 88219438 + ... + 88219689.

It is an arithmetic number, because the mean of its divisors is an integer number (2293708664).

Almost surely, 222231330002 is an apocalyptic number.

22231330002 is an abundant number, since it is smaller than the sum of its proper divisors (32817677934).

It is a pseudoperfect number, because it is the sum of a subset of its proper divisors.

22231330002 is a wasteful number, since it uses less digits than its factorization.

22231330002 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 176439142 (or 176439139 counting only the distinct ones).

The product of its (nonzero) digits is 432, while the sum is 18.

Adding to 22231330002 its reverse (20003313222), we get a palindrome (42234643224).

The spelling of 22231330002 in words is "twenty-two billion, two hundred thirty-one million, three hundred thirty thousand, two".

Divisors: 1 2 3 6 7 9 14 18 21 42 63 126 176439127 352878254 529317381 1058634762 1235073889 1587952143 2470147778 3175904286 3705221667 7410443334 11115665001 22231330002