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2228395851 = 321122509049
BaseRepresentation
bin1000010011010010…
…1001111101001011
312202022010020102200
42010310221331023
514030432131401
61005042131243
7106136023623
oct20464517513
95668106380
102228395851
11a43964870
12522350b23
13296894436
14171d4d883
15d097a686
hex84d29f4b

2228395851 has 12 divisors (see below), whose sum is σ = 3511411800. Its totient is φ = 1350542880.

The previous prime is 2228395823. The next prime is 2228395859. The reversal of 2228395851 is 1585938222.

2228395851 is digitally balanced in base 2 and base 4, because in such bases it contains all the possibile digits an equal number of times.

It is not a de Polignac number, because 2228395851 - 26 = 2228395787 is a prime.

It is a junction number, because it is equal to n+sod(n) for n = 2228395797 and 2228395806.

It is not an unprimeable number, because it can be changed into a prime (2228395859) by changing a digit.

It is a polite number, since it can be written in 11 ways as a sum of consecutive naturals, for example, 11254426 + ... + 11254623.

It is an arithmetic number, because the mean of its divisors is an integer number (292617650).

Almost surely, 22228395851 is an apocalyptic number.

2228395851 is a deficient number, since it is larger than the sum of its proper divisors (1283015949).

2228395851 is a wasteful number, since it uses less digits than its factorization.

2228395851 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 22509066 (or 22509063 counting only the distinct ones).

The product of its digits is 345600, while the sum is 45.

The square root of 2228395851 is about 47205.8878848815. The cubic root of 2228395851 is about 1306.1632100147.

The spelling of 2228395851 in words is "two billion, two hundred twenty-eight million, three hundred ninety-five thousand, eight hundred fifty-one".

Divisors: 1 3 9 11 33 99 22509049 67527147 202581441 247599539 742798617 2228395851