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22130302122 = 2323534497757
BaseRepresentation
bin10100100111000100…
…011001110010101010
32010010022001211101100
4110213010121302222
5330310324131442
614055545102230
71412260315155
oct244704316252
963108054340
1022130302122
119426a84595
124357487976
132118b45136
1410dd1bcc9c
15897cbb84c
hex527119caa

22130302122 has 48 divisors (see below), whose sum is σ = 48198126600. Its totient is φ = 7338541056.

The previous prime is 22130302099. The next prime is 22130302133. The reversal of 22130302122 is 22120303122.

It can be written as a sum of positive squares in 4 ways, for example, as 21181600521 + 948701601 = 145539^2 + 30801^2 .

It is a Harshad number since it is a multiple of its sum of digits (18).

It is a junction number, because it is equal to n+sod(n) for n = 22130302095 and 22130302104.

It is an unprimeable number.

It is a polite number, since it can be written in 23 ways as a sum of consecutive naturals, for example, 2849068 + ... + 2856824.

Almost surely, 222130302122 is an apocalyptic number.

22130302122 is an abundant number, since it is smaller than the sum of its proper divisors (26067824478).

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

22130302122 is a wasteful number, since it uses less digits than its factorization.

22130302122 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 8567 (or 8564 counting only the distinct ones).

The product of its (nonzero) digits is 288, while the sum is 18.

Adding to 22130302122 its reverse (22120303122), we get a palindrome (44250605244).

The spelling of 22130302122 in words is "twenty-two billion, one hundred thirty million, three hundred two thousand, one hundred twenty-two".

Divisors: 1 2 3 6 9 18 353 449 706 898 1059 1347 2118 2694 3177 4041 6354 7757 8082 15514 23271 46542 69813 139626 158497 316994 475491 950982 1426473 2738221 2852946 3482893 5476442 6965786 8214663 10448679 16429326 20897358 24643989 31346037 49287978 62692074 1229461229 2458922458 3688383687 7376767374 11065151061 22130302122