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80225229 = 374388843
BaseRepresentation
bin1001100100000…
…10001111001101
312120221212022210
410302002033031
5131014201404
611543301033
71662621540
oct462021715
9176855283
1080225229
1141315447
1222a4a779
131380ba66
14a924857
15709a689
hex4c823cd

80225229 has 16 divisors (see below), whose sum is σ = 125092352. Its totient is φ = 44776368.

The previous prime is 80225207. The next prime is 80225231. The reversal of 80225229 is 92252208.

It is not a de Polignac number, because 80225229 - 211 = 80223181 is a prime.

It is a junction number, because it is equal to n+sod(n) for n = 80225196 and 80225205.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (80225269) by changing a digit.

It is a polite number, since it can be written in 15 ways as a sum of consecutive naturals, for example, 43519 + ... + 45324.

It is an arithmetic number, because the mean of its divisors is an integer number (7818272).

Almost surely, 280225229 is an apocalyptic number.

It is an amenable number.

80225229 is a deficient number, since it is larger than the sum of its proper divisors (44867123).

80225229 is a wasteful number, since it uses less digits than its factorization.

80225229 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 88896.

The product of its (nonzero) digits is 5760, while the sum is 30.

The square root of 80225229 is about 8956.8537444797. The cubic root of 80225229 is about 431.2909267606.

The spelling of 80225229 in words is "eighty million, two hundred twenty-five thousand, two hundred twenty-nine".

Divisors: 1 3 7 21 43 129 301 903 88843 266529 621901 1865703 3820249 11460747 26741743 80225229