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2225319987 = 31167799607
BaseRepresentation
bin1000010010100011…
…1011000000110011
312202002022222010210
42010220323000303
514024140214422
61004452155203
7106100623242
oct20450730063
95662288123
102225319987
11a42153930
12521308b03
132960583b7
1417178c959
15d056e10c
hex84a3b033

2225319987 has 16 divisors (see below), whose sum is σ = 3241642752. Its totient is φ = 1346673120.

The previous prime is 2225319983. The next prime is 2225319991. The reversal of 2225319987 is 7899135222.

It is an interprime number because it is at equal distance from previous prime (2225319983) and next prime (2225319991).

It is not a de Polignac number, because 2225319987 - 22 = 2225319983 is a prime.

It is not an unprimeable number, because it can be changed into a prime (2225319983) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (13) of ones.

It is a polite number, since it can be written in 15 ways as a sum of consecutive naturals, for example, 27463 + ... + 72144.

It is an arithmetic number, because the mean of its divisors is an integer number (202602672).

Almost surely, 22225319987 is an apocalyptic number.

2225319987 is a deficient number, since it is larger than the sum of its proper divisors (1016322765).

2225319987 is a wasteful number, since it uses less digits than its factorization.

2225319987 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 100298.

The product of its digits is 544320, while the sum is 48.

The square root of 2225319987 is about 47173.2973937587. The cubic root of 2225319987 is about 1305.5619658047.

The spelling of 2225319987 in words is "two billion, two hundred twenty-five million, three hundred nineteen thousand, nine hundred eighty-seven".

Divisors: 1 3 11 33 677 2031 7447 22341 99607 298821 1095677 3287031 67433939 202301817 741773329 2225319987