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22233224 = 2313713011
BaseRepresentation
bin101010011010…
…0000010001000
31112211120020202
41110310002020
521142430344
62112311332
7356656616
oct124640210
945746222
1022233224
1111606172
127542548
1347b5a70
142d4a6b6
151e4294e
hex1534088

22233224 has 32 divisors (see below), whose sum is σ = 45541440. Its totient is φ = 10113600.

The previous prime is 22233217. The next prime is 22233257. The reversal of 22233224 is 42233222.

It is a junction number, because it is equal to n+sod(n) for n = 22233196 and 22233205.

It is an unprimeable number.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 5879 + ... + 8889.

It is an arithmetic number, because the mean of its divisors is an integer number (1423170).

Almost surely, 222233224 is an apocalyptic number.

It is an amenable number.

It is a practical number, because each smaller number is the sum of distinct divisors of 22233224, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (22770720).

22233224 is an abundant number, since it is smaller than the sum of its proper divisors (23308216).

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

22233224 is a wasteful number, since it uses less digits than its factorization.

22233224 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 3101 (or 3097 counting only the distinct ones).

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

The square root of 22233224 is about 4715.2119782678. The cubic root of 22233224 is about 281.1906104065.

Adding to 22233224 its reverse (42233222), we get a palindrome (64466446).

The spelling of 22233224 in words is "twenty-two million, two hundred thirty-three thousand, two hundred twenty-four".

Divisors: 1 2 4 8 13 26 52 71 104 142 284 568 923 1846 3011 3692 6022 7384 12044 24088 39143 78286 156572 213781 313144 427562 855124 1710248 2779153 5558306 11116612 22233224