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8222754745 = 51644550949
BaseRepresentation
bin1111010100001110…
…10100011110111001
3210020001120012222001
413222013110132321
5113320011122440
63435534101001
7410524155622
oct75207243671
923201505861
108222754745
11353a592387
12171594a761
13a1073666a
145800d0a49
15331d4bb9a
hex1ea1d47b9

8222754745 has 4 divisors (see below), whose sum is σ = 9867305700. Its totient is φ = 6578203792.

The previous prime is 8222754739. The next prime is 8222754781. The reversal of 8222754745 is 5474572228.

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

It can be written as a sum of positive squares in 2 ways, for example, as 2013945129 + 6208809616 = 44877^2 + 78796^2 .

It is a cyclic number.

It is not a de Polignac number, because 8222754745 - 223 = 8214366137 is a prime.

It is a super-2 number, since 2×82227547452 (a number of 21 digits) contains 22 as substring.

It is a junction number, because it is equal to n+sod(n) for n = 8222754695 and 8222754704.

It is an unprimeable number.

It is a pernicious number, because its binary representation contains a prime number (19) of ones.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 822275470 + ... + 822275479.

It is an arithmetic number, because the mean of its divisors is an integer number (2466826425).

Almost surely, 28222754745 is an apocalyptic number.

It is an amenable number.

8222754745 is a deficient number, since it is larger than the sum of its proper divisors (1644550955).

8222754745 is a wasteful number, since it uses less digits than its factorization.

8222754745 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 1644550954.

The product of its digits is 1254400, while the sum is 46.

The square root of 8222754745 is about 90679.4063996892. The cubic root of 8222754745 is about 2018.3932215651.

The spelling of 8222754745 in words is "eight billion, two hundred twenty-two million, seven hundred fifty-four thousand, seven hundred forty-five".

Divisors: 1 5 1644550949 8222754745