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22222321321 = 195712048329
BaseRepresentation
bin10100101100100011…
…011011011010101001
32010100201012212222211
4110230203123122221
5331002403240241
614113033245121
71414455420544
oct245443333251
963321185884
1022222321321
119473a14a12
1243822637a1
132131c23175
14110b4d385b
158a0de6781
hex52c8db6a9

22222321321 has 8 divisors (see below), whose sum is σ = 23432895200. Its totient is φ = 21015845280.

The previous prime is 22222321301. The next prime is 22222321327. The reversal of 22222321321 is 12312322222.

It is a sphenic number, since it is the product of 3 distinct primes.

It is not a de Polignac number, because 22222321321 - 213 = 22222313129 is a prime.

It is a Duffinian number.

It is a junction number, because it is equal to n+sod(n) for n = 22222321292 and 22222321301.

It is not an unprimeable number, because it can be changed into a prime (22222321327) by changing a digit.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 1013316 + ... + 1035013.

It is an arithmetic number, because the mean of its divisors is an integer number (2929111900).

Almost surely, 222222321321 is an apocalyptic number.

It is an amenable number.

22222321321 is a deficient number, since it is larger than the sum of its proper divisors (1210573879).

22222321321 is a wasteful number, since it uses less digits than its factorization.

22222321321 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 2048919.

The product of its digits is 1152, while the sum is 22.

Adding to 22222321321 its reverse (12312322222), we get a palindrome (34534643543).

Subtracting from 22222321321 its reverse (12312322222), we obtain a palindrome (9909999099).

The spelling of 22222321321 in words is "twenty-two billion, two hundred twenty-two million, three hundred twenty-one thousand, three hundred twenty-one".

Divisors: 1 19 571 10849 2048329 38918251 1169595859 22222321321