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225432922 = 211213131547
BaseRepresentation
bin11010110111111…
…01010101011010
3120201012011211111
431123331111122
5430202323142
634211450534
75405101561
oct1533752532
9521164744
10225432922
11106284100
12635b6a4a
1337920580
1421d22bd8
1514bcee17
hexd6fd55a

225432922 has 48 divisors (see below), whose sum is σ = 404068896. Its totient is φ = 93693600.

The previous prime is 225432919. The next prime is 225432941. The reversal of 225432922 is 229234522.

It is a Smith number, since the sum of its digits (31) coincides with the sum of the digits of its prime factors.

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, 411853 + ... + 412399.

It is an arithmetic number, because the mean of its divisors is an integer number (8418102).

Almost surely, 2225432922 is an apocalyptic number.

225432922 is a gapful number since it is divisible by the number (22) formed by its first and last digit.

225432922 is a deficient number, since it is larger than the sum of its proper divisors (178635974).

225432922 is a wasteful number, since it uses less digits than its factorization.

225432922 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 715 (or 704 counting only the distinct ones).

The product of its digits is 17280, while the sum is 31.

The square root of 225432922 is about 15014.4237984679. The cubic root of 225432922 is about 608.6100413444.

The spelling of 225432922 in words is "two hundred twenty-five million, four hundred thirty-two thousand, nine hundred twenty-two".

Divisors: 1 2 11 13 22 26 121 131 143 242 262 286 547 1094 1441 1573 1703 2882 3146 3406 6017 7111 12034 14222 15851 18733 31702 37466 66187 71657 78221 132374 143314 156442 206063 412126 788227 860431 931541 1576454 1720862 1863082 8670497 10246951 17340994 20493902 112716461 225432922