Search a number
-
+
22220203223 = 25398751557
BaseRepresentation
bin10100101100011011…
…010110010011010111
32010100120020021111202
4110230123112103113
5331001333000343
614112520023115
71414431416411
oct245433262327
963316207452
1022220203223
1194727a8619
124381601a9b
13213166105a
14110b1019b1
158a0b28db8
hex52c6d64d7

22220203223 has 4 divisors (see below), whose sum is σ = 22228957320. Its totient is φ = 22211449128.

The previous prime is 22220203211. The next prime is 22220203231. The reversal of 22220203223 is 32230202222.

It is a semiprime because it is the product of two primes.

It is a cyclic number.

It is not a de Polignac number, because 22220203223 - 228 = 21951767767 is a prime.

It is a Duffinian number.

It is a junction number, because it is equal to n+sod(n) for n = 22220203195 and 22220203204.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (22220203253) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (19) of ones.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 4373240 + ... + 4378317.

It is an arithmetic number, because the mean of its divisors is an integer number (5557239330).

Almost surely, 222220203223 is an apocalyptic number.

22220203223 is a deficient number, since it is larger than the sum of its proper divisors (8754097).

22220203223 is an equidigital number, since it uses as much as digits as its factorization.

22220203223 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 8754096.

The product of its (nonzero) digits is 1152, while the sum is 20.

Adding to 22220203223 its reverse (32230202222), we get a palindrome (54450405445).

The spelling of 22220203223 in words is "twenty-two billion, two hundred twenty million, two hundred three thousand, two hundred twenty-three".

Divisors: 1 2539 8751557 22220203223