Search a number
-
+
222300021011 = 647343585813
BaseRepresentation
bin1100111100001000011…
…1010010000100010011
3210020210110201010102112
43033002013102010103
512120232301133021
6250042340535535
722026542000345
oct3170207220423
9706713633375
10222300021011
1186305626032
12370bb9b15ab
1317c69378693
14aa8ba3d295
155bb10b7d5b
hex33c21d2113

222300021011 has 4 divisors (see below), whose sum is σ = 222643607472. Its totient is φ = 221956434552.

The previous prime is 222300021001. The next prime is 222300021019. The reversal of 222300021011 is 110120003222.

It is a happy number.

It is a semiprime because it is the product of two primes, and also an emirpimes, since its reverse is a distinct semiprime: 110120003222 = 255060001611.

It is a cyclic number.

It is not a de Polignac number, because 222300021011 - 226 = 222232912147 is a prime.

It is a Duffinian number.

It is not an unprimeable number, because it can be changed into a prime (222300021019) by changing a digit.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 171792260 + ... + 171793553.

It is an arithmetic number, because the mean of its divisors is an integer number (55660901868).

Almost surely, 2222300021011 is an apocalyptic number.

222300021011 is a deficient number, since it is larger than the sum of its proper divisors (343586461).

222300021011 is an equidigital number, since it uses as much as digits as its factorization.

222300021011 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 343586460.

The product of its (nonzero) digits is 48, while the sum is 14.

Adding to 222300021011 its reverse (110120003222), we get a palindrome (332420024233).

The spelling of 222300021011 in words is "two hundred twenty-two billion, three hundred million, twenty-one thousand, eleven".

Divisors: 1 647 343585813 222300021011