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228922166 = 21131335663
BaseRepresentation
bin11011010010100…
…01001100110110
3120221202110011202
431221101030312
5432101002131
634414332502
75446543364
oct1551211466
9527673152
10228922166
11108247680
12647ba132
1338572805
1422590634
151516dbcb
hexda51336

228922166 has 16 divisors (see below), whose sum is σ = 386684928. Its totient is φ = 100698600.

The previous prime is 228922157. The next prime is 228922181. The reversal of 228922166 is 661229822.

228922166 is digitally balanced in base 2, because in such base it contains all the possibile digits an equal number of times.

It is a super-2 number, since 2×2289221662 = 104810716172263112, which contains 22 as substring.

It is a congruent number.

It is an unprimeable number.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 167150 + ... + 168513.

It is an arithmetic number, because the mean of its divisors is an integer number (24167808).

Almost surely, 2228922166 is an apocalyptic number.

228922166 is a deficient number, since it is larger than the sum of its proper divisors (157762762).

228922166 is a wasteful number, since it uses less digits than its factorization.

228922166 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 335707.

The product of its digits is 41472, while the sum is 38.

The square root of 228922166 is about 15130.1740241149. The cubic root of 228922166 is about 611.7339948540.

The spelling of 228922166 in words is "two hundred twenty-eight million, nine hundred twenty-two thousand, one hundred sixty-six".

Divisors: 1 2 11 22 31 62 341 682 335663 671326 3692293 7384586 10405553 20811106 114461083 228922166