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2228919944 = 231919375979
BaseRepresentation
bin1000010011011010…
…1001111010001000
312202100002212100112
42010312221322020
514031100414234
61005101253452
7106143335606
oct20466517210
95670085315
102228919944
11a441925a9
12522564288
13296a18b54
14172048876
15d0a30ace
hex84da9e88

2228919944 has 32 divisors (see below), whose sum is σ = 4422036000. Its totient is φ = 1050319872.

The previous prime is 2228919937. The next prime is 2228919967. The reversal of 2228919944 is 4499198222.

It is a junction number, because it is equal to n+sod(n) for n = 2228919892 and 2228919901.

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, 8654 + ... + 67325.

It is an arithmetic number, because the mean of its divisors is an integer number (138188625).

Almost surely, 22228919944 is an apocalyptic number.

It is an amenable number.

2228919944 is a deficient number, since it is larger than the sum of its proper divisors (2193116056).

2228919944 is a wasteful number, since it uses less digits than its factorization.

2228919944 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 76197 (or 76193 counting only the distinct ones).

The product of its digits is 746496, while the sum is 50.

The square root of 2228919944 is about 47211.4386986883. The cubic root of 2228919944 is about 1306.2656001617.

The spelling of 2228919944 in words is "two billion, two hundred twenty-eight million, nine hundred nineteen thousand, nine hundred forty-four".

Divisors: 1 2 4 8 19 38 76 152 193 386 772 1544 3667 7334 14668 29336 75979 151958 303916 607832 1443601 2887202 5774404 11548808 14663947 29327894 58655788 117311576 278614993 557229986 1114459972 2228919944