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224222012 = 227531391087
BaseRepresentation
bin11010101110101…
…01101100111100
3120121220122202222
431113111230330
5424400101022
634125504512
75361566330
oct1527255474
9517818688
10224222012
11105627353
1263112138
13375b8361
1421ac97c0
1514a41242
hexd5d5b3c

224222012 has 48 divisors (see below), whose sum is σ = 460615680. Its totient is φ = 93517632.

The previous prime is 224221979. The next prime is 224222041. The reversal of 224222012 is 210222422.

It is a congruent number.

It is an unprimeable number.

It is a pernicious number, because its binary representation contains a prime number (17) of ones.

It is a polite number, since it can be written in 15 ways as a sum of consecutive naturals, for example, 205733 + ... + 206819.

It is an arithmetic number, because the mean of its divisors is an integer number (9596160).

Almost surely, 2224222012 is an apocalyptic number.

It is an amenable number.

It is a practical number, because each smaller number is the sum of distinct divisors of 224222012, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (230307840).

224222012 is an abundant number, since it is smaller than the sum of its proper divisors (236393668).

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

224222012 is a wasteful number, since it uses less digits than its factorization.

224222012 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 1290 (or 1288 counting only the distinct ones).

The product of its (nonzero) digits is 256, while the sum is 17.

The square root of 224222012 is about 14974.0446105920. The cubic root of 224222012 is about 607.5183707406.

Adding to 224222012 its reverse (210222422), we get a palindrome (434444434).

The spelling of 224222012 in words is "two hundred twenty-four million, two hundred twenty-two thousand, twelve".

Divisors: 1 2 4 7 14 28 53 106 139 212 278 371 556 742 973 1087 1484 1946 2174 3892 4348 7367 7609 14734 15218 29468 30436 51569 57611 103138 115222 151093 206276 230444 302186 403277 604372 806554 1057651 1613108 2115302 4230604 8007929 16015858 32031716 56055503 112111006 224222012