Search a number
-
+
22244444222 = 271121373101137
BaseRepresentation
bin10100101101110111…
…110100100000111110
32010102020211211220112
4110231313310200332
5331024034203342
614115143350022
71415144441030
oct245567644076
963366754815
1022244444222
119485455200
124389752312
13213669a940
141110411c50
158a2d16682
hex52ddf483e

22244444222 has 192 divisors, whose sum is σ = 46548093312. Its totient is φ = 7755264000.

The previous prime is 22244444221. The next prime is 22244444231.

22244444222 is nontrivially palindromic in base 10.

It is a zygodrome in base 10.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (22244444221) by changing a digit.

It is a polite number, since it can be written in 95 ways as a sum of consecutive naturals, for example, 162368138 + ... + 162368274.

It is an arithmetic number, because the mean of its divisors is an integer number (242437986).

Almost surely, 222244444222 is an apocalyptic number.

22244444222 is a gapful number since it is divisible by the number (22) formed by its first and last digit.

22244444222 is an abundant number, since it is smaller than the sum of its proper divisors (24303649090).

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

22244444222 is a wasteful number, since it uses less digits than its factorization.

22244444222 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 355 (or 344 counting only the distinct ones).

The product of its digits is 65536, while the sum is 32.

It can be divided in two parts, 222 and 44444222, that added together give a palindrome (44444444).

The spelling of 22244444222 in words is "twenty-two billion, two hundred forty-four million, four hundred forty-four thousand, two hundred twenty-two".