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2228190707 = 9292398483
BaseRepresentation
bin1000010011001111…
…0111110111110011
312202021201211000202
42010303313313303
514030404100312
61005033505415
7106134210551
oct20463676763
95667654022
102228190707
11a43834726
1252227226b
13296821c52
14171cd8bd1
15d09399c2
hex84cf7df3

2228190707 has 4 divisors (see below), whose sum is σ = 2230590120. Its totient is φ = 2225791296.

The previous prime is 2228190703. The next prime is 2228190719. The reversal of 2228190707 is 7070918222.

It is a semiprime because it is the product of two primes.

It is a cyclic number.

It is not a de Polignac number, because 2228190707 - 22 = 2228190703 is a prime.

It is a super-2 number, since 2×22281907072 = 9929667653522319698, which contains 22 as substring.

It is a Duffinian number.

It is not an unprimeable number, because it can be changed into a prime (2228190703) by changing a digit.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 1198313 + ... + 1200170.

It is an arithmetic number, because the mean of its divisors is an integer number (557647530).

Almost surely, 22228190707 is an apocalyptic number.

2228190707 is a deficient number, since it is larger than the sum of its proper divisors (2399413).

2228190707 is an equidigital number, since it uses as much as digits as its factorization.

2228190707 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 2399412.

The product of its (nonzero) digits is 28224, while the sum is 38.

The square root of 2228190707 is about 47203.7149703283. The cubic root of 2228190707 is about 1306.1231274043.

The spelling of 2228190707 in words is "two billion, two hundred twenty-eight million, one hundred ninety thousand, seven hundred seven".

Divisors: 1 929 2398483 2228190707