Search a number
-
+
222300032221 = 268782731683
BaseRepresentation
bin1100111100001000011…
…1010100110011011101
3210020210110201200210201
43033002013110303131
512120232302012341
6250042341103501
722026542045131
oct3170207246335
9706713650721
10222300032221
11863056334a3
12370bb9b7b91
1317c69380807
14aa8ba433c1
155bb10bb331
hex33c21d4cdd

222300032221 has 4 divisors (see below), whose sum is σ = 222382766592. Its totient is φ = 222217297852.

The previous prime is 222300032189. The next prime is 222300032291. The reversal of 222300032221 is 122230003222.

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 222300032221 - 25 = 222300032189 is a prime.

It is a Duffinian number.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (222300032291) 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, 41363155 + ... + 41368528.

It is an arithmetic number, because the mean of its divisors is an integer number (55595691648).

Almost surely, 2222300032221 is an apocalyptic number.

It is an amenable number.

222300032221 is a deficient number, since it is larger than the sum of its proper divisors (82734371).

222300032221 is an equidigital number, since it uses as much as digits as its factorization.

222300032221 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 82734370.

The product of its (nonzero) digits is 576, while the sum is 19.

Adding to 222300032221 its reverse (122230003222), we get a palindrome (344530035443).

The spelling of 222300032221 in words is "two hundred twenty-two billion, three hundred million, thirty-two thousand, two hundred twenty-one".

Divisors: 1 2687 82731683 222300032221