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22231021330 = 257367865357
BaseRepresentation
bin10100101101000100…
…100111011100010010
32010101022120220011101
4110231010213130102
5331012120140310
614113543535014
71414622364160
oct245504473422
963338526141
1022231021330
119478917401
12438515a46a
13213397b0bb
14110c71a230
158a1a6443a
hex52d127712

22231021330 has 32 divisors (see below), whose sum is σ = 45857051136. Its totient is φ = 7601287104.

The previous prime is 22231021321. The next prime is 22231021331. The reversal of 22231021330 is 3312013222.

It is a super-3 number, since 3×222310213303 (a number of 32 digits) contains 333 as substring.

It is a junction number, because it is equal to n+sod(n) for n = 22231021298 and 22231021307.

It is not an unprimeable number, because it can be changed into a prime (22231021331) by changing a digit.

It is a polite number, since it can be written in 15 ways as a sum of consecutive naturals, for example, 406989 + ... + 458368.

It is an arithmetic number, because the mean of its divisors is an integer number (1433032848).

Almost surely, 222231021330 is an apocalyptic number.

22231021330 is an abundant number, since it is smaller than the sum of its proper divisors (23626029806).

22231021330 is a wasteful number, since it uses less digits than its factorization.

22231021330 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 865738.

The product of its (nonzero) digits is 432, while the sum is 19.

Adding to 22231021330 its reverse (3312013222), we get a palindrome (25543034552).

The spelling of 22231021330 in words is "twenty-two billion, two hundred thirty-one million, twenty-one thousand, three hundred thirty".

Divisors: 1 2 5 7 10 14 35 70 367 734 1835 2569 3670 5138 12845 25690 865357 1730714 4326785 6057499 8653570 12114998 30287495 60574990 317586019 635172038 1587930095 2223102133 3175860190 4446204266 11115510665 22231021330