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22022148208 = 241972441277
BaseRepresentation
bin10100100000100111…
…110101000001110000
32002211202120001002211
4110200213311001300
5330100132220313
614041123021504
71406505112504
oct244047650160
962752501084
1022022148208
119380a23995
12432720a894
1320cc608138
1410ccaa8304
1588d555e3d
hex5209f5070

22022148208 has 20 divisors (see below), whose sum is σ = 44913592360. Its totient is φ = 10431543744.

The previous prime is 22022148179. The next prime is 22022148223. The reversal of 22022148208 is 80284122022.

It is a super-2 number, since 2×220221482082 (a number of 21 digits) contains 22 as substring.

It is a self number, because there is not a number n which added to its sum of digits gives 22022148208.

It is a congruent number.

It is an unprimeable number.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 36220335 + ... + 36220942.

It is an arithmetic number, because the mean of its divisors is an integer number (2245679618).

Almost surely, 222022148208 is an apocalyptic number.

It is an amenable number.

22022148208 is an abundant number, since it is smaller than the sum of its proper divisors (22891444152).

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

22022148208 is a wasteful number, since it uses less digits than its factorization.

22022148208 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 72441304 (or 72441298 counting only the distinct ones).

The product of its (nonzero) digits is 8192, while the sum is 31.

The spelling of 22022148208 in words is "twenty-two billion, twenty-two million, one hundred forty-eight thousand, two hundred eight".

Divisors: 1 2 4 8 16 19 38 76 152 304 72441277 144882554 289765108 579530216 1159060432 1376384263 2752768526 5505537052 11011074104 22022148208