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9225885228 = 2237215690281
BaseRepresentation
bin10001001011110011…
…11101011000101100
3212210222010112021220
420211321331120230
5122343311311403
64123250423340
7444424505400
oct104571753054
925728115256
109225885228
113a0485413a
121955891b50
13b404cb6b1
14637415100
1538ee4a953
hex225e7d62c

9225885228 has 36 divisors (see below), whose sum is σ = 25041690072. Its totient is φ = 2635967040.

The previous prime is 9225885211. The next prime is 9225885269. The reversal of 9225885228 is 8225885229.

It is a super-2 number, since 2×92258852282 (a number of 21 digits) contains 22 as substring.

It is an unprimeable number.

It is a polite number, since it can be written in 11 ways as a sum of consecutive naturals, for example, 7844553 + ... + 7845728.

It is an arithmetic number, because the mean of its divisors is an integer number (695602502).

Almost surely, 29225885228 is an apocalyptic number.

9225885228 is a gapful number since it is divisible by the number (98) formed by its first and last digit.

It is an amenable number.

9225885228 is an abundant number, since it is smaller than the sum of its proper divisors (15815804844).

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

9225885228 is a wasteful number, since it uses less digits than its factorization.

9225885228 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 15690302 (or 15690293 counting only the distinct ones).

The product of its digits is 1843200, while the sum is 51.

The square root of 9225885228 is about 96051.4717638413. The cubic root of 9225885228 is about 2097.3424605380.

Subtracting from 9225885228 its reverse (8225885229), we obtain a palindrome (999999999).

It can be divided in two parts, 9225 and 885228, that added together give a triangular number (894453 = T1337).

The spelling of 9225885228 in words is "nine billion, two hundred twenty-five million, eight hundred eighty-five thousand, two hundred twenty-eight".

Divisors: 1 2 3 4 6 7 12 14 21 28 42 49 84 98 147 196 294 588 15690281 31380562 47070843 62761124 94141686 109831967 188283372 219663934 329495901 439327868 658991802 768823769 1317983604 1537647538 2306471307 3075295076 4612942614 9225885228